4. Ridge Vent A ridge vent discharges air that enters through the soffit vent. It is designed to prevent snow or rain from entering.
5. Gable Vent Gable vent is designed to discharge air that enters through the soffit vent
6. Roof Turbine A roof turbine utilizes the wind to suck out air from the attic.
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8. A backhoe’s purpose is dig holes or trenches or transport dirt from one spot to another with its swinging boom.
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11. Centering Centering is a type of jig that assists in constructing an arch. It supports the arch until it is completed enough to support its own weight.
55. It is different from a bulldozer because it picks up the material instead of pushing it
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57. Compressor/condensor Refrigerant gas is compressed to high pressure/temperature where it is cooled to generate cool air which is then blown throughout the house.
58. Air Handling Unit This air handling unit is exhausting air from a building while recovering much of the heat from the exhausted air and transferring it to the incoming air
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60. Foamed Insulation Foam sprayed into cavities between studs to prevent the passage of air from one side of a wall to the other.
61. Rigid Board Insulation Comes in 4 by 8 sheets of polystyrene and is places on studs with fasteners to prevent the passage of air from one side of a wall to another.
62. Lintel A beam that carries the load of a wall across an opening
75. Plywood Plywood: a wood panel composed of an odd number of layers of wood veneer bonded together under pressure. Veneer: a thin layer, sheet, or facing
80. Shingles Definition: A small unit of water-resistant material nailed in overlapping fashion with many other such units to render a wall or sloping roof watertight.