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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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

Used in cuisines all over the world, some of the most well-known herbs and fruits are blessed with natural herbal extract compounds that are advantageous to human wellbeing. Specifically, these are packed with bioactive compounds, such as polyphenols, which are linked to antioxidant activity in the human body.

The question is,…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]

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…[ 続きを読む ]