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| Mechanical efficiency curve
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Graph detailing the efficiency of differing conditions of machine operations. |
| Mechanical equipment
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Equipment for HVAC, gas, water, etc, the utilities known as "mechanicals" such as furnaces, piping, heaters, etc. |
| Mechanical fasteners
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Devices such as screws, plates, battens, nails, or other materials that are used to secure roofing materials. |
| Mechanical fingers
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Spring-loaded tines, shaped like fingers on a flexible housing rod, used to grab items that are out of reach of a worker. When a button on the rods end is pushed, the fingers move out of the housing and open to grasp the item. Release of the button closes the fingers around the object, holding it firmly. |
| Mechanical joint
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Pipe joint with a gasket that has a wedge shaped cross section. Compressed against the outside diameter of the pipe by a pair of bolted ring fittings, it partially encapsulates and squeezes the gasket as the bolts are tightened. A fitting is integral with the hub end of the length of pipe with the flange type fitting slipping over the end of the pipe, which joins, to the first. |
| Mechanical pencil
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Pencil with replaceable lead that is used for doing "drawings". |
| Mechanical systems
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Those elements of building used to control the interior climate. |
| Mechanical tamper
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Soil compactor that vibrates when the engine is activated. |
| Mechanical taping tool
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Tool that distributes both drywall joint compound and joint tape, simultaneously. |
| Mechanical ventilation
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Artificial ventilation, which is activated by an fan or other mechanism to move air. |
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