Glossary

The control valve for a drypipe sprinkler system which activates the system; must be in a location where it is […]

One that discharges a fine, dry powder (usually sodium bicarbonate, potassium bicarbonate, or ammonium phosphate) by the pressure of a

A substance added to paints and varnishes to prevent too rapid drying or skin drying; used to promote a high

A vegetable oil which oxidizes easily on exposure to air and forms a hard, dry film; esp. useful in paints.

The contraction of plaster, cement paste, mortar, or concrete caused by loss of moisture.

A joint without mortar.

An oven for drying and seasoning cut lumber.