Glossary A

Ash relates to impurities consisting of silica, iron, alumina, and other noncombustible matter that are contained in coal.

Aptitude-testing is described as the process of evaluating the level at which an individual is capable of learning new skills. The individual will be administered a standardized test comprising of basic math and Reading problems in the attempt to identify potential barriers to training.

Alkaline substance refers to chemical compounds in which the basic hydroxide (OH-) ion is united with a metallic ion, such as sodium hydroxide (NaOH) or potassium hydroxide (KOH).

- Arrester, distribution, heavy duty class : Distribution arrester (heavy duty class) is described as a arrester normally used to protect overhead distribution systems exposed to severe lightning currents.

Austenitic stainless steel is referrring to one of the major classes of stainless steel which is described as the largest category of stainless steel, accounting for about 70% of all production.

Axle refers to a beam supporting a vehicle on which one or more wheels turn. Axles also house and support the differential, shafts, and wheels that propel the vehicle.

Aseptic packaging is referring to a echnique for creating a shelf-stable container by placing a commercially sterile product into a commercially sterile container in a commercially sterile environment. The sealed container is designed to maintain product sterility until the seal is broken.

Anthracite is characterized as the highest rank of coal used primarily for residential and commercial space heating. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter.

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Glossary A

Ash

Aptitude-testing

Alkaline substance

Arrester, distribution, heavy duty class

Austenitic stainless steel

Axle

Aseptic packaging

Anthracite

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