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| Toenailing
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Driving nails into the base of a framing member at an angle. |
| Toggle bolt
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A bolt with a separate toggle end that can be flattened to fit through a pre-drilled hole and that springs outward to provide securement when the bolt is tightened. |
| Toggle switch
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An electrical switch activated by moving a small lever. Normal household wall switches are toggle switches. |
| Toilet
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Toilet tank and bowl unit |
| Toilet seal
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Gasket that seals the joint between the bottom of the toilet and the drain piping to prevent water leakage or escape of sewer gasses. |
| Tolerance
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The acceptable variance of dimensions from s standard size. |
| Ton
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(1) Weight measurement equal to 2,000 pounds (U.S. short ton) or 2,240 pounds (U.K. long ton). (2) Measurement of air conditioning capacity representing the removal of 12,000 BTU of heat per hour. |
| Ton of cooling
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A cooling unit of measure. Each ton equals the cooling effect of 12,000 BTUh. Heat pumps and air conditioners are generally sized in tons. Typical sizes for single family residences are between two and five tons. It is important to note that actual capacity is not constant and will change based on outdoor or indoor temperatures. The published capacity rating of air conditioners and heat pumps is based on performance at the ARI standard temperature levels of 95 F outside, 80 F inside, and 50% relative humidity. The number of tons a system has is the total BTU capacity of the system. The size of the area to be cooled will determine the correct size of the system in tons. While an air conditioner may be called a three ton unit, it may not produce 36,000 BTU/h in cooling. There is a wide variety of actual capacities that are called "three tons.". |
| Toner
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Pigmented lacquer sealer that is applied by spray. Tuners Provide color and make the surface appear more even. |
| Tongs
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Long hinged tool used for gripping objects. |
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