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| Spunbond
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Describes nonwoven fabrics made from continuously bonded fibers. |
| Spunlaced
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Describes nonwoven fabrics that have the fibers intertwined by water-jet method. |
| Spur gear
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Spur gears have teeth that are cut directly across the face of the gear for a smooth, efficient transfer of power. |
| Sputtering
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A process used to apply photovoltaic semi-conductor material to a substrate by a physical vapor deposition process where high-energy ions are used to bombard elemental sources of semiconductor material, which eject vapors of atoms that are then deposited in thin layers on a substrate. |
| Square
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(1) Construction measure in which one square equals 100 square feet of material. (2) A plane figure with four equal sides and four right angles. (3) An instrument with two sides that form an angle of 90 degrees, used for drawing or testing at right angles. (4) The product of a number multiplied by itself. (5) An area bounded by streets or buildings on all four sides. |
| Square boxes
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Square shaped electrical junction boxes. |
| Square drive screw
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Screw that has a square indention in the head and is used when a set screw must carry a load. |
| Square edge
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A flooring that is not tongue and grooved. Square edged strip flooring is face nailed when installed. |
| Square file
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File, used to shape and smooth, which has a square cross section. |
| Square foot
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Coverage measured by multiplying width by length. An area 5 foot long and 7 foot wide is equal to 35 square foot. |
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