The triangular top section of a side wall on a building with a pitched roof that fills the space beneath where the roof slopes meet.
An outer coating of zinc that prevents corrosion of certain metals.
A valve that stops the flow of fluid. It opens by lifting a round or rectangular gate/wedge out of the path of the fluid.
Are underground loops of piping which act as a heat exchanger. When the liquid antifreeze solution passes through the loops (of piping), it absorbs heat from the ground, which causes it to evaporate.
A large strong beam, often of steel, forming a main spanning and supporting part in a framework.
An act or the process of installing glass; commonly with a glaze.
A valve used for regulating flow in a pipeline.
The level at which the ground meets a building.
A soft dark carbon for lubricating metal parts.
Gross Floor Area
A measurable floor area that is usable.
Ground-fault circuit interrupter (GFCI)
A device that disconnects a circuit whenever it detects that the electric current is not balanced between the energized conductor and the return neutral conductor.
mortar used to fill gaps, especially between tiles.