Head joints that are filled in with mortar after the unit is laid by throwing mortar in with the edge of a trowel.
Small business administration (sba)
Federal government agency in Washington, D.C. that makes low interest loans to qualified small businesses. Address: 409 3rd Street SW Washington, DC 20416.
Small claims court
Special court for the purpose of providing fast, inexpensive and informal settlement of small financial claims between a plaintiff and a defendant with the parties representing themselves.
Smart window
A term used to describe a technologically advanced window system that contains glazing that can change or switch its optical qualities when a low voltage electrical signal is applied to it, or in response to changes in heat or light.
Smelt
To melt or fuse to separate impurities from metal. To refine or extract.
Smoke alarm or detector
Device which detects the presence of smoke in a specified density and gives a warning by setting off an audible alarm.
Smoke chamber
The portion of a chimney flue located directly over the fireplace.
Smoke pipe
Pipe that connects from an oven to the flue of a chimney.
Smoke shelf
Horizontal shelf that is the bottom of the smoke chamber and prevents downdrafts.
