| A triangle having one right angle.
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| The legal right, usually by easement, to pass over land owned by another.
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| Hard copper pipe used when installing water lines, particularly where they can be seen.
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| Two columns and a beam or beams attached with moment connections; a moment-resisting building frame; the connections between the beam and columns are constructed so as to transmit moments.
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| Thermal insulating material made of polystyrene, polyurethane, polyisocyanurate, cellular glass, or glass fiber, sometimes offered with a skin surfacing, formed to flat board shape of constant thickness.
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| Relative stiffness of a structure or element.
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| A designation of articles of hardware designed for application to the surface of doors and windows, such as rim locks.
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| see Annular Ring Nail.
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| see Split Ring.
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| see Toothed Ring.
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| Device for measuring smoke density.
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| A guide on a table saw to assist in cutting lumber in the direction parallel to the grain.
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| To cut lumber lengthwise, parallel to the grain.
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| The rights of an owner whose land adjoins water, such as a river, stream, lake, or sea.
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| Narrow strips of gypsum board used for soffits, window returns and finished openings.
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| sawing wood along the grain.
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| The effect that escalation or delay has on other work in a construction schle; impact.
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| A foundation or sustaining wall of stones placed together without order, as in deep water or on an embankment, to prevent erosion.
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| A saw designed for cutting lumber length wise.
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| Redwood Inspection Service.
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| The vertical distance through which anything rises, as the rise of a roof or stair.
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| A flat, horizontal member usually ornamental, of relatively slight projection, mounted on a riser between two stair treads.
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| The horizontal member of a stair structure which supports the riser.
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| Device used to manually control flow of refrigerant in vertical piping.
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| 1. A single vertical increment of a stair; the vertical face between two treads in a stair. 2. A vertical run of plumbing, wiring or ductwork. 3. A spacer between shipping units to allow entry of fork lift blades. 4. The flow channel or pipe that distribute the heat transfer liquid across the face of an absorber.
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| The taking of precautions to avoid unexpected property and casualty losses which can severely damage the businesss prospects; insurance is one of the best means of rcing the companys exposure to risk.
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| Chance or possibility of danger, loss, injury, or other adverse consequences.
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| The arrangement, spacings, and dimensions of rivets used to attach two or more structural members together.
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| A structural fastener on which a second head is formed after the fastener is in place.
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| Rubber Manufacturers Association.
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