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| Dwv tubing
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Tubing, copper or plastic, which is used in the drain, waste, or vent parts of a plumbing system. |
| Dyanite carbide-tipped blade
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Dyanite carbide-tipped blades offer two to five times longer cutting life than standard carbide-tipped blades. |
| Dye, dyestuff
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A colored material used just to dye or change color with little or no hiding of the underlying surface. |
| Dynamic
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Relating to energy or physical force in motion. Energetic. Vigorous. Forceful. |
| Dynamic braking
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Method of braking an electric motor, with the motor used as a generator and the electrical energy generated being dissipated in resistors. |
| Dynamic head
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The pressure equivalent of the velocity of a fluid. |
| Dynamic load
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Any moving load on a roof such as people and equipment. Wind can also be considered a Dynamic Load. |
| Dynamic pressure
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The pressure when the water is flowing. |
| Dynamo
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A machine for converting mechanical energy into electrical energy by magneto-electric induction; may be used as a motor. |
| Dynamoelectric
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Having to do with the production of electrical energy from mechanical energy, or of mechanical energy from electrical energy. |
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