An Aircraft concerned with any machine that can derive support in the atmosphere from the reactions of the air otherwise than by the reactions of the air against the surface of the earth.

Aparatos is a Spanish word which means apparatus.

An Animal product describes any animal material that has been processed (other than simply transported or stored in such a way as not to involve any alteration to its nature) for the purpose, or ultimate purpose, of consumption or other use by humans or animals.

Deutsch: Tierfutter / Español: Alimento para animales / Português: Ração animal / Français: Alimentation animale / Italiano: Alimenti per animali /

Animal feed refer to the quantities of product used for animal feed and/or for the manufacture of foodstuffs for animals.

Angledozer is described as heavy steel blade mounted across the front of a crawler tractor. The blade can be raised and lowered, and each end can be advanced and retracted to place the blade at various angles, making it possible to push dirt to either side.

Anchor bolt refers to a long 'L' shaped bolt which is set in concrete and used to anchor columns or other members to a foundation or other support.

Alloy refers to a substance with metallic properties, composed of two or more chemical elements of which at least one is a metal.

Aluminum makes reference to the most common metal on earth, constituting 8% of the earth's crust but never found naturally in its pure form.