Glossary A

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.

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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).

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

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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.

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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.

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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.

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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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Air fresheners is a term used to which work in one of the following four ways: by interfering with your ability to smell by way of a nerve-deadening agent; by coating your nasal passages with an undetectable oil film; by covering up one smell with another; and (rarely) by breaking down the offensive odor.

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