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Definition of the term Conduction

The flow of heat from one part of a substance to another part. A piece of iron with one end placed in a fire will soon become warm from end…

Definition of the term Float Glass

Glass formed on a bath of molten tin. The surface in contact with the tin is known as the tin surface or tin side. The top surface is known as…

Definition of the term Vent System

In plumbing, a system to provide a flow of air to or from a drainage system or to provide circulation of air within such system to protect traps seals from…

Definition of the term APA Plywood

(APA=American Plywood Association) Plywood that has been rated by the American Plywood Association. For example, number one APA rated exterior plywood contains no voids between laminate layers.

Definition of the term Floating

The next-to-last stage in concrete work, when it is smoothed and water is brought to the surface by using a hand float or bull float.

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