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| Protection board
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Heavy asphalt impregnated boards which are laid over bituminous coatings to protect against mechanical injury. |
| Protective clothing
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Clothing which is intended to prevent injury when working on a specific job. |
| Protective coating
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Coating which is intended to provide protection against the elements. |
| Protective covenants
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Statement in a deed that specified actions or improvements can or cannot take pace on a given property. The covenants may stipulate the use of the property, restrict the number of occupants and prohibit certain actions. Alternately, an agreement restricting specified financial transactions. |
| Protective dust boot
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Protective dust boots are found on some plunge routers. They protect plunge tubes and bearings against contamination from dust and debris. |
| Protective life
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Anticipated or expected life of a protective coating when used on a structure. |
| Protractor
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An instrument, in the form of a graduated semicircle, which is used to plot and measure angles. |
| Protractor and depth gauge
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Graduated ruler which can measure the depth and angle of a hole by being slid through a pivot on a protractor. |
| Proximate
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(1) Nearly accurate. (2) Next or nearest in space, order, time, etc. |
| Proximate analysis
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A commonly used analysis for reporting fuel properties; may be on a dry (moisture free) basis, as "fired", or on an ash and moisture free basis. Fractions usually reported include. |
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