GLOSSARY

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DRY CLEAN

To clean with a non-aqueous solvent, usually formulated for that purpose.


DRY FOAM

A detergent solution which is agitated or mixed with air to produce a frothy cleaning medium with low moisture content.


DRY ROT

The slow, progressive deteriorating effect of micro organisms (fungi) over time under minimum-moisture conditions on organic (especially cellulose) materials.


DRY SMOKE

Fire residues characterized by loose, non-smeary particles which tend to remain on the surface. Dry smoke reflects a freely burning fire with cellulose materials as a primary fuel.


DRY SPONGE

(CLEAN) The removal of residues by applying a cellular rubber sponge.


DRYING GOAL

A target moisture level based on either dry standard or known equilibrium moisture content (EMC).


DRYWALL

A wall or ceiling covering consisting of gypsum mixed with plaster of Paris to form a rigid core material sandwiched between cellulose outer coverings (cardboard). see _gypsum_


DUCT CLEANING

The removal of residues, contaminants or debris from the interior of air ducts. A variety of methods may be used, depending on the configuration of the air system and the nature of the residues.


DWELLING

A building designed or used as a habitation by one or more families.