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Work is a transfer of energy. It can change the potential energy of a mechanical system, the thermal energy in a thermal system, or the electrical energy in an electrical device. In more general systems work can also change the form of energy from one state to another, such as converting kinetic energy into heat or vice versa. Work is measured in SI units, such as the joule (J), named after English physicist James Prescott Joule. Non-SI units include the newton-metre, erg, watt-hour, and kilowatt hour. Work can also be expressed in terms of the distance travelled by an object, which is the product of the force exerted and the displacement.

In everyday circumstances, many of us don’t think of things we do as “work.” But in fact, almost everything you do in a day involves work. For example, if you climb into your car and set the ignition key to start, you are doing work. If you go to the grocery store and push a cart full of food down the aisle, you are doing work. Even if you sit on the couch all day watching TV, you are doing work.

It’s important to understand the concept of work in order to be successful at your job. The way you think about your work and the mindset you adopt can make a big difference in how much you enjoy your job and your life.

Work consists of three essential ingredients – force, displacement and cause. To do work, a force must be applied and it must displace an object. In addition, the force must be the cause of the displacement, meaning that the force caused the motion without being itself displaced. This can be a difficult concept to grasp when it comes to forces that act at an angle to the displacement, such as a tractor pulling a plow through the field, a freshman lifting a heavy backpack on her shoulders or an Olympian throwing the shot put.

What’s more, work is a scalar quantity, meaning that the amount of work done on an object can be expressed in terms of its magnitude (force multiplied by its distance). This makes sense because forces often exert themselves over an area, and it is only the portion of the force that actually causes a displacement that does any work.

A fundamental rethink of work is necessary to shift the future-of-work conversation away from fear and adversity (institutions versus individuals) toward hope and opportunity (where both win). To achieve this, organizations must cultivate and draw on intrinsic human capabilities for continuous creative identification and solving of unseen problems and opportunities.

Rather than reskilling workers to do different types of routine tasks, or training them to use new technology to complete the same tasks, or moving some standout employees into management or product design positions, it is time to redefine work itself. Only then will we see a future of work that delivers greater value to institutions and individuals alike, by continually identifying and addressing unmet needs and opportunities.

Di dunia perjudian online, terutama dalam permainan togel, munculnya berbagai situs baru memberikan kemudahan dan kesempatan bagi para pemain untuk meraih kemenangan. Cintatogel adalah salah satu platform yang menawarkan pengalaman bermain togel pulsa yang menarik dengan banyak keuntungan. Di sini, pemain dapat menikmati permainan togel tanpa potongan, sehingga setiap kemenangan yang didapat langsung bisa dinikmati sepenuhnya.

Dengan Cintatogel, Anda akan merasakan kenikmatan bermain togel pulsa yang tidak hanya mudah diakses, tetapi juga membawa peluang menang yang lebih besar. Situs ini dirancang untuk memberikan kemudahan dan kenyamanan bagi setiap penggunanya, mulai dari proses pendaftaran yang simpel hingga layanan pelanggan yang responsif. Bergabunglah dengan Cintatogel dan nikmati pengalaman bermain togel yang menyenangkan dan menguntungkan.

Apa itu Cintatogel?

Cintatogel adalah platform yang menawarkan layanan permainan togel pulsa tanpa potongan. Situs ini dirancang untuk memberikan pengalaman bermain yang nyaman dan menguntungkan bagi para penggemar togel di Indonesia. Dengan berbagai pilihan permainan dan fitur yang mudah diakses, Cintatogel menjadi salah satu pilihan populer bagi pemain yang ingin mencoba peruntungan mereka.

Salah satu keunggulan Cintatogel adalah tidak adanya potongan dalam setiap transaksi. Hal ini berarti pemain bisa mendapatkan hasil taruhan mereka secara utuh, tanpa harus khawatir tentang biaya tambahan yang biasanya diterapkan oleh situs togel lainnya. Dengan sistem ini, pemain dapat merasakan keuntungan lebih saat memenangkan permainan.

Cintatogel juga mengutamakan keamanan dan kenyamanan para penggunanya. Dengan menggunakan teknologi terkini dalam sistem transaksi dan perlindungan data, pemain dapat bermain dengan tenang tanpa takut akan kebocoran informasi pribadi. Cintatogel berkomitmen untuk memberikan layanan terbaik agar setiap pemain bisa menikmati pengalaman bermain togel dengan maksimal.

Keunggulan Togel Pulsa

Togel pulsa menawarkan kemudahan yang tidak bisa ditemukan di jenis taruhan lainnya. Dengan bermain di platform seperti Cintatogel, pemain dapat melakukan transaksi dengan menggunakan pulsa, yang pastinya lebih praktis dan cepat. Keuntungan ini sangat cocok untuk mereka yang tidak ingin repot melakukan transfer bank atau mencari cara lain untuk melakukan deposit. Dengan taruhan menggunakan pulsa, semua proses menjadi lebih sederhana.

Selain kemudahan, togel pulsa juga memungkinkan pemain untuk menikmati permainan tanpa potongan. Ini berarti bahwa pemain bisa merasakan manfaat penuh dari setiap taruhan yang mereka pasang. Tidak perlu khawatir akan adanya biaya tersembunyi yang biasa ditemukan pada situs lain. Dengan Cintatogel, setiap pemain dapat memaksimalkan kemungkinan kemenangan tanpa harus kehilangan sebagian dana mereka.

Keunggulan lain yang tidak kalah penting adalah kecepatan dalam bermain. Dengan akses yang cepat dan sederhana, pemain dapat langsung bertaruh kapan saja dan di mana saja hanya dengan menggunakan pulsa mereka. Ini sangat cocok bagi mereka yang memiliki mobilitas tinggi atau yang sering tidak memiliki akses internet stabil. Togel pulsa memberikan fleksibilitas yang lebih, menjadikannya pilihan yang menarik untuk pencinta togel.

Cara Daftar di Cintatogel

Untuk memulai petualangan Anda di dunia Cintatogel, langkah pertama yang perlu dilakukan adalah mengunjungi situs resmi Cintatogel. Setelah berada di halaman utama, Anda akan menemukan tombol pendaftaran yang terlihat jelas. Klik tombol tersebut untuk melanjutkan proses pendaftaran dan pastikan Anda menyediakan informasi yang valid dan benar.

Setelah mengeklik tombol pendaftaran, Anda akan diminta untuk mengisi formulir pendaftaran. Isilah semua kolom yang diperlukan, seperti nama lengkap, nomor telepon, dan alamat email. Ketika semua informasi terisi, jangan lupa untuk membuat kata sandi yang kuat agar akun Anda aman. Pastikan Anda juga membaca syarat dan ketentuan yang berlaku sebelum melanjutkan.

Setelah mengisi formulir, klik tombol untuk menyelesaikan pendaftaran. Anda akan menerima email atau pesan konfirmasi sebagai tanda bahwa akun Anda telah berhasil dibuat. Selanjutnya, masuklah ke akun Anda dengan menggunakan data yang telah didaftarkan dan mulailah menikmati berbagai permainan togel pulsa tanpa potongan di Cintatogel.

Tips Menang di Togel Pulsa

Bermain togel pulsa bisa jadi pengalaman yang menyenangkan, tapi juga memerlukan strategi yang tepat untuk meningkatkan peluang menang. cinta togel Salah satu tips utama adalah melakukan riset terhadap angka-angka yang sering muncul. Dengan menganalisis data hasil sebelumnya, pemain dapat menemukan pola atau kombinasi angka yang mungkin lebih berpotensi untuk menang. Ini juga bisa membantu dalam menentukan berapa banyak angka yang akan dipilih dalam setiap taruhan.

Selain itu, penting untuk mengelola anggaran dengan bijak. Tetapkan batas maksimal yang siap Anda gunakan untuk bermain togel pulsa tanpa potongan. Pengelolaan bankroll yang baik tidak hanya membantu Anda tetap bermain lebih lama, tetapi juga menghindarkan dari kerugian yang berlebihan. Jangan tergoda untuk bertaruh lebih banyak demi mengejar kerugian, karena ini bisa berujung pada masalah keuangan yang lebih besar.

Akhirnya, jangan ragu untuk memanfaatkan bonus atau promosi yang ditawarkan oleh situs togel seperti cintatogel. Banyak situs menyediakan berbagai insentif yang bisa meningkatkan peluang Anda untuk menang. Dengan memanfaatkan penawaran tersebut, Anda bisa bermain dengan lebih optimal tanpa harus mengeluarkan banyak uang. Ingat, bermainlah dengan santai dan nikmati prosesnya!

When people first fall in love, they often feel invincible. They are convinced that they will never run out of love and that their relationship will last forever. But, like any relationship, a love that does not get nurtured, can fade and even disappear over time. So, how can couples ensure that their loving relationship remains healthy and thriving? In this article, we will discuss some of the secrets to making love and ensuring that you and your partner stay in love for a lifetime.

While many people use the term “making love” to refer to sexual intercourse with someone they are in love with, this is a misleading way of looking at it. The act of “making love” actually involves more than just sex and can include kissing, cuddling, eye gazing, and other intimate acts. However, it is essential that the two partners share a similar emotional intimacy in order to experience this type of romantic love.

Foreplay is a key component in making love and should occur before you enter the bedroom. To get your partner aroused, try stroking their back or neck, caressing erogenous zones (kisses behind the ears and on the nipples), and rubbing the inner thighs and crotch. You can also try using your husky voice to tease your partner and playfully flirt with them. Finally, don’t forget to make them laugh. These are all simple, yet effective ways to get your partner in the mood.

Once you and your partner have entered the bedroom, slow down and savor every moment of your physical intimacy. Kiss each other gently and passionately, hold each other close, and talk to each other during sex. For example, you can whisper sweet nothings to them or tell them all of your fantasies. You can even use the tantric practice of eye gazing, where you stare into each other’s eyes for several minutes without speaking.

It is important to maintain eye contact throughout sex as this will help both of you to connect with each other emotionally and physically. In addition, a woman should be encouraged to enjoy the sensations of her body during sexual intercourse by being allowed to explore her own pleasure zones, such as sucking on her nipples and stroking her nipples. A woman should also be allowed to lick her own penis during sex as this is a very pleasurable sensation.

A man who is in the mood for making love will not rush things or force sex on his partner. He will also be willing to listen to her concerns or fears about sex and will do his best to calm them. He will also keep talking to her throughout sex and afterward, reassuring her that he loves her and is always thinking about her. This is a sign of true love that will not only keep your physical connection strong, but will also ensure that your emotional connection stays solid. This is what makes making love so much different from just having sex.

A bottle is a narrow-necked container made of an impermeable material in various shapes and sizes that stores and transports liquid substances. It is usually sealed either internally with a stopper or externally with a closure. A bottle can also be used to store or preserve dry products. The term is sometimes extended to refer to a receptacle for holding liquids such as soap or medicine. Bottles can be affixed to a lid or other type of closure to provide an airtight seal and prevent leaking, or they can be topped with a cork.

Bottles have been made of glass, wood, stone and other materials since ancient times. Plastic bottles were first developed in the early twentieth century and now are an important part of human life, used for food, drink, medicines and other substances, both solids and liquids. There are many different types of plastic, each with its own specific properties. A few common examples include high-density polyethylene (HDPE), low-density polyethylene (LDPE), polyvinyl chloride (PVC or vinyl), and polypropylene (PP).

Plastic bottles are produced through a variety of manufacturing processes including injection molding, reheat and blow molding, co-extrusion blow molding, and extrusion blow molding. The most important factor in designing a plastic bottle is aligning the manufacturing technique with the desired bottle design and final application of the bottle.

Some bottle physical characteristics are easier to visualize than describe. For this reason, pictures and illustrations are often used to illustrate some bottle features. If a picture is available for a particular bottle feature, it will appear to the right of its description if you click on it. If you would like to see more pictures for a particular bottle feature, please visit the General Bottle Morphology page.

Applied finish (or lip) – A molded surface on the neck of a bottle that resembles the top of a barrel or the tip of a snifter. The Applied finish is not to be confused with the more commonly encountered sheared finishes on older bottles which were created by cutting a shearing tool into the bottle to remove slivers of finished glass from around the mouth. (Click applied finish for an illustration)

Calabash – A large, gourd or pear shaped bottle popular during the mid 19th century. The name presumably derives from the resemblance of these bottles to the hard shelled fruit of the tropical American “calabash tree” – Crescentia cujete. See the Bottle Shapes typology page for more information on calabash bottles.

Bakelite – An early phenolic thermosetting plastic invented in 1927 (Berge 1980). This was the first plastic to be used for bottle closures but was also used on thousands of other items such as billiard balls, phonograph records and telephone and radio cases.

Dimple – A molded depression or hole on the bottle neck into which the lever wire of a toggle closure device is hooked. It is also called a yoke or a bail. Click Dimple to view a picture of this bottle feature.

The word work is most often associated with being employed at a job, but it can also refer to any task that requires effort. For example, when you spend time studying for an exam, improving your general knowledge, or engaging in hobbies, you’re doing work. Work can even include household chores like cooking, cleaning, or doing yard work. The amount of work you do will depend on the effort required to perform each task, as well as your motivation and energy level.

In the scientific sense, work is defined as a force acting on an object and changing its displacement. This change in displacement is measured by the product of the force strength and the distance traveled. This type of work can be positive, negative, or zero. The direction of the displacement is important because it determines whether the work done is increasing or decreasing the system’s energy. For example, friction and air drag on a moving vehicle can cause the system’s energy to decrease, which is negative work.

An example of positive work is pushing a heavy object across the floor. The force required to push the object is equal to its mass times the acceleration due to gravity, which is the amount of work needed to overcome the resistance to motion. The total amount of work is the net change in the kinetic energy of the object, or W = FD.

The SI unit of work is the joule (J), named after English physicist James Prescott Joule (1818-1889). Other units used to measure work are the newton-metre, erg, calorie, foot-pound, and kilowatt hour. Because work is a form of energy, it is sometimes used in the same context as heat or energy.

Most of the things we think of as hard work, such as writing an essay or lifting a box, are not actually work in the scientific sense. However, when you are motivated to do something, work can seem easy. This is because the harder you work, the more your brain will associate that effort with its rewards.

In addition, people who work harder are more likely to find satisfaction in their jobs and be productive at it. If you want to increase your productivity, try to focus on one project at a time. If you attempt to multitask, you’ll be slower and less likely to finish any of the tasks you start. Similarly, don’t be afraid to ask for help on a project you don’t know how to do. This will enable you to work smarter and avoid the frustration of wasting your efforts on something you can’t do. Work on projects you are interested in, challenged by, and good at. This will improve your motivation and efficiency, as well as the quality of your results. In the end, your work will benefit you and others. Hopefully it will also leave you with the discipline, wisdom, and skill you need to build a meaningful life.

When you’re in love with someone, it feels like the whole world is yours. It’s a wonderful feeling that you want to last forever. However, just like many things in life, it isn’t necessarily a guarantee that your relationship will last. The key to making your love last a lifetime is prioritizing your partner, communicating effectively, and continuously working on your relationship.

What is the difference between having sex and making love? There are some people that believe that having sex is simply satisfying a physical urge, while making love involves more than just the physical aspect of sexual intercourse. They also believe that making love is more intimate with the person you’re with. This includes not only physical contact but also emotional and mental intimacy.

The best way to know if your partner is making love is to pay attention to the things they do for you during sex. For example, if they take their time to kiss you all over and don’t just focus on the usual places, such as your genitals, then it’s a good sign. They may also take their time to thrust you slowly and passionately. This is a great way to show that they’re not just interested in getting down and dirty but also in enjoying every part of you, especially the parts you might try to hide from them or are afraid to show anyone else.

Another thing to watch for is whether your partner is asking you questions about what you’re experiencing or asking how it feels. This is a sign that they care about you and are interested in what you’re saying during sex. They are probably also paying close attention to what they’re doing and will make sure that they don’t hurt you or that you’re uncomfortable at any point in the process.

You may also notice that they are talking about you during sex, telling you romantic stuff, and saying how much they love you. They will also likely cuddle with you after sex instead of withdrawing or falling asleep immediately. These are all signs that they’re making love with you.

Making love with your partner can be done in any romantic setting, but it’s usually most effective at home. You can dim the lights, put on some soft music, and light a couple of scented candles. You should also get dressed in sexy lingerie and dab on a little perfume. All of these things will help to set the mood and make it more sensual.

A lot of people think that making love is only about the physical part of the interaction, but it’s really so much more than that. Making love is about connecting with your partner emotionally and physically, and it can be just as exciting and pleasurable as having sex. Just be careful not to confuse the two, as this could cause problems in your relationship.

A bottle is a narrow-necked glass container of various shapes and sizes used to store and transport liquids. The mouth of the bottle is usually sealed with a cork or a closure. Bottles are often decorated with labels and can be identified by the number, size, and shape of the mold marks or by a ground-rim/lip finish. Bottles are often made of transparent or translucent glass. Bottles are primarily designed for use with alcoholic beverages and some household products but are also used for medicines, perfumes, and other items. Bottles may be produced by hand or by machine.

The following list of terms is provided to help with understanding some of the terminology used throughout this web site and in collector jargon. Some of the terms are easier to see than describe and many are explained in pictures on the General Bottle Morphology page. Click the terms in bold italics for more information and/or a picture or illustration.

Mold seams – The meandering “ghost” like mold seams on the body, neck, and base of machine-made bottles from a parison (two-piece) mold. These seams are conclusive evidence of machine manufacture. Also referred to as suction scars, Parison mold lines, and a similar term, parting lines.

Ground rim/lip – A finish on a hand-made bottle that has been ground on the top surface to enhance sealing and closure fit. This is most commonly seen on older canning jars and on hand-made bottles with outside screw threads. It is sometimes inaccurately referred to as a ring, lip, or heel.

A blown bottle – A glass bottle that has not been made by a press-mold or by the blowpipe of a semi or fully automatic machine. Bottles of this type were traditionally shaped and finished by the maker using the air pressure applied to the bottle by the mouth. Also known as a mouth-blown bottle or hand-made bottle.

Iron pontil scar – The mark left on the base of a bottle by the end of a red hot iron pontil rod. The scar is generally circular though it can be oblong, oval, square or rectangular. The scar is frequently covered or embedded with a black or gray deposit of ferric oxide, known as a pontil mark. Alternatively, it is referred to in collector jargon as a “graphite” or “improved” pontil mark.

Deterioration – The processes and appearance of chemical or mechanical degradation of glass to the point that it is no longer suitable for its intended purpose. The deterioration can lead to breakage, cracking and chipping as well as loss of transparency or luster. Also referred to as wear, devitrification, and patination.

Cockney rhyming slang meaning “arse” or lose your bottle. “Bottle it” is a variation of this term. Also see the crockney slang page.

Work — and the ways in which we engage with it – have the potential to change the world. It can provide us with discipline, wisdom, skill and relationships that shape the course of our lives. It can help us feel accomplished and rewarded, even as it often drains our time, energy and passions. Whether we have fond memories of the mentors who taught us, the positions that stretched our limits, or the times it has jaded us and made us cynical, the way we use our bodies, minds, energies at work shapes our identities.

But work can also create problems, especially for frontline employees. This is why redefining work has become such a major focus of thought leadership and debate. To do this, we must first understand what it is and why it matters.

The scientific definition of work is: “The amount of energy transferred from one place to another or from one form to another.” The SI unit for work is the joule (J), which is equal to a force of 1 newton applied over a displacement of 1 meter. In everyday life, we rarely think about the process of doing work – the horse pulling a plow through the field, a parent pushing a shopping cart through the supermarket, a freshman lifting a heavy bag over her head, an Olympian throwing a shot-put. But these examples are actually a good example of work, because they have three key ingredients: force, displacement and cause.

For complex systems that undergo motion that is not one-way or in two or three dimensions, it is necessary to divide the motion into a series of one-way, one-dimensional segments and find the small amount of work done over each segment. This is done by solving an integral equation that takes into account both the force and the velocity of the system over time dt. The result is the area under the curve of the force vs. displacement graph.

The important thing to remember is that this definition of work applies to any system with momentum, not just a physical body. That is why we use a variety of measurement units for work, including the joule and the erg. Sometimes, we even use units typically reserved for heat or energy content, such as the calorie and the kilocalorie.

In general, the formula for finding the work of a system is dW = Fs dt. This is a path integral. To do the same work in two consecutive time intervals, we double the amount of force and then double the distance traveled. For example, it would take twice as much work to lift a weight of 100 pounds over the head as it did to raise it 50 yards. The same principle is true when we are analyzing an angular motion, such as the rotation of a shaft or the compression or rotary motion of internal particles in a mechanical system. This is why we speak of the “work of a system” when discussing angular motion, rather than simply “work.” The term is more accurate in this case because it includes all of the work that must be done to cause the movement.

Creating a love that lasts a lifetime requires more than just sex. Being emotionally connected, embracing new experiences, and regularly expressing affection can help couples stay frisky in and out of the bedroom. Adding new sensual activities, exploring fantasies together, or even introducing a sensual massage can also bring more romance to long-term relationships. Keeping the spark alive in bed is key to making it last a lifetime, so try different things to spice up your romance and see what works best for you and your partner.

The term “making love” can mean many different things to people, depending on their personal beliefs and experiences in life. For some, it means simply engaging in sexual intercourse with someone that they are romantically interested in or care about, regardless of whether or not there is any emotional connection between them. For others, it’s about the experience itself – a more passionate, intimate, and sensual interaction than what you might expect from a regular sex session. This can involve foreplay, arousal, and an almost telepathic connection between two lovers that goes beyond just the carnal pleasure.

It can also include more elaborate activities, like experimenting with new sex positions or techniques, creating an erotic environment with candles and mirrors, or giving each other sensual massages. The most important thing is to make sure that your partner knows that you care, that you’re there for them, and that they can feel safe with you. Make eye contact, speak softly, and touch lightly. If you are unsure what they want or need, ask them. They will appreciate your attentiveness and are likely to reciprocate.

In many cases, a man who enjoys making love will be open to trying new things in the bedroom and may even encourage you to push yourself harder. He will likely have a strong sense of responsibility to ensure that everything is safe and comfortable for both of you. He will also be attentive to his partner and listen to what she wants, needs, and likes.

Foreplay is a great way to set the mood for intimacy, so don’t be afraid to go slow and enjoy every stroke of her body. He will feel your passion, and she will want to return it with the same intensity. Slow thrusts build intensity and will be much more satisfying than a fast thrust. Make sure to look at her eyes and hold her close so that she feels your love and desire for her.

It’s a good idea to take note of how often you and your partner engage in each of these activities. If you can identify patterns in the data, celebrate those areas where you’re connecting on a deeper level and become curious about the ones that need improvement. The more you understand how to make love, the better it will be for your relationship. With a little work, you can have the romantic connection you’ve always dreamed of.

A glass bottle is a container for holding liquids. Bottles can be made of many materials but glass is particularly suitable because it combines strength and durability with good optical transparency. In addition, glass can be manipulated and refined to a large degree to satisfy specific functional requirements. As a result, bottles have been produced in many shapes and sizes with a wide variety of closures, all of which are designed to seal the contents securely and to prevent leakage. Bottles can be manufactured by various processes but the most common is blow-molding, a method that allows for the production of high volume bottles at low cost. Plastics have also been used for bottles, but glass remains the material of choice in most applications due to its superior properties.

The term “bottle” can refer to any container that contains a beverage or other liquid such as milk, water, juice or alcohol. The bottle can also refer to a container for industrial, pharmaceutical and personal care products. Glass is the primary material used for manufacturing bottles, although metals can also be employed. A wide variety of chemicals are added to glass during its manufacture to give it the desired physical and chemical characteristics. Glass is a complex compound composed of many different elements and compounds including silicates, oxides, hydroxides and halides. Bottle glass is a highly refined version of glass that requires a higher percentage of silicates and oxides to produce than does window glass or sheet glass.

Applied color label (ACL) – A technique of marking, lettering and decorating a bottle by applying mineral or organ pigments with a very low melting point that are baked in a furnace to fuse the colors to the surface of the glass. This process is sometimes also referred to as pyroglazing, pyro, enameling, fire-fused and painted labeling.

Base plate (baffle plate) – A plate that forms part of the blank or parison mold on an automatic and semi-automatic bottle making machine that causes an off-center, incised baffle mark on the bases of some machine-made bottles. This feature is much better illustrated by a picture than by description – see the Bottle Bases page for an example.

Full sized bottle mold – A glass bottle mold that is the exact size and shape of a finished bottle. An inflated gather is placed into the full sized mold and expanded until the outside surface of the gather conforms to the inside surfaces of the bottle body, shoulder and heel or neck/finish areas. A full sized mold usually forms most or all of the bottles base, body, shoulder and sometimes neck/finish. A full sized mold can also be referred to as a “full rim” or a “standard bottle” (Tooley 1953).

Lehr – A kiln or furnace where newly blown bottles were gradually reheated and cooled to enhance their strength and reduce cooling breakage. A lehr was often tended by a person who was known as a lear tender.