Glossary A

Distribution arrester normal duty class) defines as an arrester normally used to protect overhead distribution systems exposed to typical lightning currents.

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Armrest, wheel chair :

The Armrest of a wheel chair is a Wheelchair component for both manual or battery -powered chairs. Many lightweight manual chairs are designed to be used without armrests. The absence of armrests makes it easier for the user to roll up to a desk or table.

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Adhesive in relation to a stamp affixed to envelopes by means of gum on the reverse.However, some stamps are printed directly onto postcards, envelopes or wrappers.

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Adapter revolves around many forms, but essentially it is a device that connects to or installs on your computer, adding a specific capability or feature. The most common example is a circuit board, such as a graphics card or a NIC, that installs into a PCI or another kind of expansion slot on a desktop computer's motherboard; it's also known as an expansion board.

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AC means alternatiing current A short name for the standard 230 V 50 Hz (In US120-volt, 60-Hz cycle) household electricity.

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Absorptive lens make reference to a filter lens designed to reduce the effects of glare, reflection, and stray light. Absorptive len is well known as sunglasses.

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Abrasion resistance refers to resistance to being worn away by rubbing or friction. Abrasion resistance is a matter of toughness, rather than hardness. It is a necessary quality for floor finishes, enamels and varnishes.

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Deutsch: Abalone / Español: Abulón / Português: Abalone / Français: Abalone / Italiano: Abalone /

Abalone is a mollusk that is a popular ingredient in Chinese dishes, particularly in Cantonese cooking. Abalone is a member of the genus Haliotis, which means sea ear, referring to the flat shell. It is available fresh, dried, or canned. In dried form it must be soaked for several days before using.

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