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| Shelf life
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The length of time between the manufacture of a material and when the material is no longer suitable for use. |
| Shell
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The skeletal frame of a house when only the framing, sheathing and decking have been constructed. |
| Shell and tube evaporator
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System of cooling evaporation with refrigerant expanded into tubes that are surrounded by water that is held in an outer shell. When the refrigerant expands, it absorbs the heat and cools the surrounding water. The chilled water is used to cool air when it is pumped into heat exchangers. |
| Shellac
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Refined version of lac, a resin produced in thin flaky layers or shells, which is dissolved in alcohol and used to make shellac. |
| Sheriff's deed
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Title to property given under a court order due to failure, by the original owner, to pay the mortgage and/or property taxes. This deed is associated with foreclosure. |
| Sheriff's sale
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Foreclosed property is sold via a sheriff's sale and the amount received is used to pay the balance of obligations against the real estate or owner. |
| Shield
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Shoring to protect workers in an unstable excavation, consisting of two large sheets of metal that are stiffened by a frame work. The shield is lowered into the excavation. |
| Shim
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A tapered piece of wood used to level and secure a structure. |
| Shim or shimmy
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Using a tapered wood strip, called a shim, to fill gaps so that structures are level and plumb by placing it between two members to fill in uneven areas. |
| Shiner
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(1) Brick laid so that both its width and length show. (2) Defect where a glossy spot appears on a dull painted surface. |
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