Acetylene tank holding 40 cu.ft. of gas, used for plumbing, once used to fuel Boats, thus the name.
Metal Used for the manufacture of bearings; material composed of various alloys of tin with antimony and copper. Friction and metal-to-metal contact is avoided by a film of lubricating oil on the surface and between the bearings.
Baby roman brick
2 x 4 x 8 inch brick
Bacillus thuringiensis (bt)
A bacterium that causes disease in a variety of pest larvae, but is safe to humans, birds and pets, and plants; marketed under such tradenames as Biotrol˝, Dipel˝, and Thuricide˝.
Gypsum wallboard side that come into contact with the framing.
Structural support for an interior or veneer wall that is arch shaped. Exterior support is provided by a lintel.
Molding which primarily is utilized as a door casing or around the outer edge of a rectangular window.
Reinforcing a joint between framing members by laminating a piece of gypsum wallboard to the back of two gypsum panels with adhesive or joint compound.
In installations where wallboard is meant to be removable, clips are fastened to the back of the wallboard to fit into the framing and hold the wallboard in place.
Panel or board cut in the back to make it lie flat.