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| Graphite packing string
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| Grapnel
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An iron bar with claws at one end which are used to grasp or hold things by throwing up over the top of a wall where the hook catches and hold, securing the line to the top of the wall. |
| Grass seed
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| Grate
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(1) To grind into particles by rubbing or scraping against an object. (2) A frame of metal bars to hold fuel in a fireplace or stove. (3) Evenly-spaced metal bars at right angles making a framework that covers openings of drains, etc. and restrains large objects from flowing through. |
| Grating
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(1) A frame of metal bars to hold fuel in a fireplace or stove. (2) Evenly-spaced metal bars at right angles making a framework that covers openings of drains, etc. and restrains large objects from flowing through. |
| Gravel
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Loose mixture of pebbles and rocks which consists of fragments more coarse than sand. |
| Gravel roof
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Built-up roof, which is protected from the elements with a final coat of gravel. |
| Gravel stop
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Raised rim around the edge of a roof, which keeps the final coat of gravel from washing or rolling off. |
| Gravimeter
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(1) A device used to measure specific gravity, for example liquids. (2) Instrument that measures the gravitation pull of the earth at different places. |
| Gravity operated toilet
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A toilet that relies on the natural downward pressure of water in a toilet tank to flush the toilet effectively. |
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