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| Perspective
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The style of picturing objects, in a drawing, as they would appear to the eye, with reference to relative distance or depth. Drawings of this type are often used by architects and builders. |
| Pest
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Any insect or animal which is detrimental to the health and well being of plants or other animals. |
| Pest-control inspection
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Professional inspection to determine whether or not there are insects in a dwelling, which is usually required by a lender. |
| Petal
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One of the divisions of the corolla. |
| Petcock
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A small faucet for draining liquids or relieving air pressure. |
| Petiole
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A leaf stalk. |
| Petroleum
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An oily, flammable, liquid solution of yellowish green to black hydrocarbons, which occur naturally in the earth. When distilled, it yields gasoline, kerosene, paraffin, fuel oil, benzene, etc., which are used in fuels, wood preservatives, lubricating oils and asphalt. |
| Pex
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Cross-linked polyethylene. PEX tubing is commonly used for hydronic radiant floor heat, but increasingly also used for water supply lines. Stronger than PE. |
| Ph
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A measurement of the acidity or alkalinity of a solution, on a scale of 0 to 14. Increase in acidity occurs with a pH of under seven with an increase in alkalinity occurring with a pH of over seven. Seven is neutral. |
| Ph test kit
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