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getupsva publicou uma atualização 2 anos, 3 meses atrás
Grinding takes an abrasive — often attached to a grinding wheel — and uses its many grains to cut a workpiece. Variations on this process are useful for a wide variety of applications.
On its surface, grinding seems simple: a machine takes a rotating tool (usually a wheel) with abrasive grains and applies it to a wor…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
Poorly maintained hardware offers the easiest path for unauthorized entry. Old technology is next and soon might become a weakness. Vendors know the best options for meeting ASTM/BHMA standards for the manufacture and testing commercial grade hardware. ANSI Grade 1 hardware is specifically designed for high-traffic areas because it can…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
We need small size bags every day for various purposes like grocery, fruits, and vegetables. We use plastic bags for such purposes. Plastic shopping bags have a surprisingly significant environmental impact for something so seemingly innocuous. Plastic shopping bags kill large numbers of wildlife…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
Cosmetics materials are not a modern invention. Humans have used various substances to alter their appearance or accentuate their features for at least 10,000 years, and possibly a lot longer.
Women in Ancient Egypt used kohl, a substance containing powdered galena (lead sulphide—PbS) to darken their eyelids, and Cleopatra i…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
When you learn that a piece of furniture has a veneer, does it make you cringe a little? Admittedly us, too. But wood veneers, in fact, are a traditional and structurally significant aspect of furniture-making that still come into play in contemporary design. Wood veneers have been used in furniture-making and millwork techniques for over…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
MEET THE CONDUCTORS – SILVER, COPPER, GOLD, TIN, NICKEL, STEEL
1. Silver is the best conductor, with a very slight edge over copper. Silver also has the benefit of having oxidation that conducts as well as unoxidized silver.
2. Copper is the next best conductor, with about 1.05 times the resistance of silver, and…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
This current application of lasers came as a result of the need for a nonhazardous, nonabrasive cleaning method that could be used as a substitute in applications where chemical, manual, and abrasive blasting methods were formerly used.
Benefits of using lasers in cleaning applications
Key problems presented by…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
The question is, then, what’s the point of liquid herbal extracts – like Comvita’s Olive Leaf Extract which is known for its antioxidant effects?
While eating fresh fruits and vegetables and adding herbs to your food are an important part of a healthy, well-rounded diet, here are some of the top benefits of supplementing your…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
This article will present the definitive guide to choosing and using balloon inflators as you prepare to create your next masterpiece balloon decoration.
Inflating balloons can be a tiresome activity if you are inflating more than two balloons with air from your lungs. Fortunately, manual balloon pumps and electric balloon…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
Basic Concepts of Metal Stamping
Metal stamping, also referred to as pressing, is a low-cost high-speed manufacturing process that can produce a high volume of identical metal components. Stamping operations are suitable for both short or long production runs, and be conducted with other metal forming operations, and may consist of one…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
Soap is made through the process of saponification. This is where lye (a mix of either Sodium Hydroxide or Potassium Hydroxide and water) is mixed with oils, fats and butters to turn the oils into salts. It is a chemical reaction where the triglycerides of the fats and oils react with the lye.
This reaction is an exothermic…[Leia mais]
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getupsva publicou uma atualização 2 anos, 3 meses atrás
The term CNC stands for 'computer numerical control', and the CNC machining definition is that it is a subtractive manufacturing process that typically employs computerized controls and machine tools to remove layers of material from a stock piece—known as the blank or workpiece—and produces a custom-designed part. This process is sui…[Leia mais]
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getupsva se tornou um membro registrado 2 anos, 3 meses atrás