Glossary

come-along

A tool for spreading concrete, similar to a hoe; has a blade approx. 20 in. (50 cm) wide and 4

Glossary

combustion

Any chemical process that produces light and heat as either glow or flames.

Glossary

combustible

Capable of undergoing combustion in air, at pressures and temperatures that might occur during a fire in a building.

Glossary

combplate

The toothed portion of the stationary threshold plate at both ends of an escalator or moving walk, designed to mesh

Glossary

combing

1. In roofing, the topmost row of shingles which project above the ridge line; the uppermost ridge on a roof.

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