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| Water blaster
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Device which is used to clean unwanted coatings from wood, masonry, etc. by shooting water out of a nozzle at 2000 to 4000 psig. A nozzle is connected, by a high pressure rated hose, to the pump, which raises the pressure 50 to 100 times higher than the pressure from a water main. |
| Water blasting
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Cleaning a surface by using the high water pressure water blaster. |
| Water chiller
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Water cooling method, used to cool drinking fountain and cooling system heat exchangers which cool air, by passing it over tubes which contain a refrigerant. |
| Water closet
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Term used for a toilet, which is a fixture that receives human waste and flushes it into the plumbing waste system, where it is convey to a sewer or an individual septic system. |
| Water closet ell
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The elbow shaped fitting, also called a flush ell, that connects a wall-hung water closet tank to the water closet bowl. |
| Water column (wc)
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Common measure of air pressure used in HVAC systems. |
| Water cooled condenser
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Condenser, such as those used in refrigerant plants, steam propulsion plants, etc., which uses water to cool refrigerants or to create steam. |
| Water cure
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To control the rate of cure of materials such as concrete by spraying a fine mist of water on the surface. |
| Water economizer
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A system which uses either direct evaporative cooling, or a secondary evaporatively cooled water loop and cooling coil to satisfy cooling loads, even if additional mechanical cooling is required. |
| Water emulsions
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Mixture of pigment and synthetic resin in water with low solvent emission, low fire hazard and toxicity, and good durability and chemical resistance. |
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