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| DRY-PIPE SPRINKLER SYSTEM
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Protection system for fire using air pressure to keep the pipes free of water until the system is activated. |
| DRY-PRESS BRICK
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Brick made, under high pressure, of clay with a 5 to 7 per cent moisture content. |
| DRY-SET CERAMIC TILE GROUT
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Portland cement, sand with additives having water retention abilities, mixed together to be used grouting walls and floors with only normal use. |
| DRY-SET CERAMIC TILE MORTAR
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Portland cement and sand with additives having water retention abilities, mixed together to be used for bonding ceramic tile to a base. |
| DRY-SET MORTAR
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A mixture of portland cement with sand and additives imparting water retentivity, which is used as a bond coat for setting tile. Normally, when this mortar is used, neither the tile nor the walls have to be soaked during installation. |
| DRY-STONE WALL
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Stone laid for a wall without the use of mortar. |
| DRYER RECEPTACLE
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Electrical outlets for a clothes dryer must be 240 volt, 30 ampere. |
| DRYING OIL
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Oils, derived from certain plants and which dry to a solid in the open air, provide good protective coating for wood. |
| DRYWALL
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Gypsum or plaster wrapped construction material, produced in large sheets to be nailed to wall studs. It comes in a variety of sizes: 4' wide in 6', 7', 8', 10', 12' and 16' lengths and 3/8', 1Ú2" and 5/8" thicknesses. The 5/8" thickness comes in only the 4' X 8' size because of its weight and is normally used to fireproof walls. |
| DRYWALL BLISTERS
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Gypsum wallboard defect, which allows the facing paper to become unattached from the gypsum core. |
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