Bottom horizontal member of an exterior wall frame which rests on top a foundation, sometimes called sill plate. Also sole plate, bottom member of interior wall frame.

A conveyor belt system operating at floor level used to move people in a horizontal direction.

A slot cut into a board, plank, or timber, usually edgewise, to receive the tenon (or tongue) of another board, plank, or timber to form a joint.

A conveyor belt system used to move people or packages up or down an incline.

A device that governs the electric power delivered to one or more electric motors.

Narrow decorative strip applied to a surface.

Controllers used to start and stop electric motors and protect them from overloads.

A decoration made up of small pieces of inlaid stone, glass, or tile.

A vertical divider in the frame between windows, doors, or other openings. Vertical bar or division in a window frame separating two or more panes.

A building containing three or more dwelling units.

Rating developed by U.S. Gypsum Company to isolate music and machinery/mechanical equipment noise or any sound with a substantial portion of low frequency energy. MTC does not replace Sound Transmission Class (STC) but complements it.

A substance that can induce an alteration in the structure of DNA (EPA IRIS Glossary) https://healthymaterialslab.org/tool-guides/hml-resources

The unacceptable occurrence when the top of a caisson concrete pier spreads out and hardens to become wider than the foundation wall thickness.

Commonly used as a brick cleaner after masonry work is completed.

A small member that divides the glass or openings of sash or doors. Horizontal bar or division in a window frame separating multiple panes or lights.