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Definition of the term Annealing

In the manufacturing of float glass, the process of controlled cooling done in a Lahr to prevent residual stresses in the glass. Re-annealing is the process of removing objectionable stresses in glass by re-heating to a suitable temperature followed by…

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Definition of the term Angle Iron

A piece of iron that forms a right angle and is used to span openings and support masonry at the openings. In brick veneer, they are used to secure the veneer to the foundation. Also known as shelf angle.

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Definition of the term Anchor Bolts

In residential construction, bolts used to secure a wooden sill plate to a concrete or masonry floor or wall. In commercial construction, bolts which fasten columns, girders or other members to concrete or masonry such as bolts used to anchor…

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Definition of the term Aluminum Wire

A conductor made of aluminum for carrying electricity. Aluminum is generally limited to the larger wire sizes. Due to its lower conductivity, aluminum wire smaller than No. 12 is not made. Aluminum is lighter and less expensive than copper, but…

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