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| PUSH STICK/BLOCK
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Push sticks and push blocks push narrow workpieces into the blade, keeping the user's hands safe. The push block is used on pieces too narrow for the push stick. |
| PUTTY
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Pliable sealant, any of the several plastic and synthetic materials available, which is used to seal woodwork, HVAC ducting, glass, etc. |
| PUTTY COAT
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The final, smoothed coat of plaster applied to a surface. |
| PUTTY KNIFE
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Also referred to as a taping knife or a drywall knife, it's flat-bladed and comes in various widths. |
| PYLON
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(1) Any towering structure, such as a post, which flanks an entranceway, supports power lines, marks a course for aircraft, etc. (2) A massive gateway. |
| PYRAMID
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Any huge, multi-sided solid structure with a square base and four sloping, triangular sides that meet at the top, as those built by the ancient Egyptians. |
| PYRAMID ROOF
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Roof having four triangular sides forming a point at the top of a pyramid. A pyramid roof is primarily used for steeples on top of churches or certain public buildings. |
| PYRAMID ZONING
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Form of zoning regulation permitting all the uses permitted in more restrictive zoning to also apply to less restrictive zoning. The net effect of pyramid zoning is to pyramid only a few uses to more restrictive zoning regulations while allowing the broader base of uses to be applicable in less restrictive applications. |
| PYRANOMETER
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A device used to measure total incident solar radiation (direct beam, diffuse, and reflected radiation) per unit time per unit area. |
| PYRHELIOMETER
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A device that measures the intensity of direct beam solar radiation. |
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