| A boiler furnishing hot water at pressures not more than 30 pounds per square inch gauge (2.12 kg/cm2) or steam at pressures not more than 15 pounds per square inch gauge (1.06 kg/cm2).
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| A fuel-burning apparatus for producing hot water or steam. 2. A heating system in which water is used as the distribution medium.
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| The temperature at which a liquid boils; the point at which a liquid starts to change to gas; boiling temperature of a liquid under a pressure of 14.7 psia (760 mm); water boils at 100° C or 212° F.
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| Boiling point; temperature at which a fluid changes from a liquid to a gas.
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| Heated to the boiling point; the change of a liquid to a gas.
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| 1. The main stem of a tree of substantial diameter; roughly, capable of yielding saw timber, veneer logs, or large pole; seedlings, saplings, and small diameter trees have stems, not boles. 2. A fine soft clay, yellow or dark, colored by iron oxide, formerly used as a pigment.
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| Short pipe length, placed vertically in the ground and filled with concrete to prevent vehicular access or to protect property from damage by vehicular encroachment.
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| 1. Short steel post, usually filled with concrete, set to prevent vehicular access to or to protect property from damage by vehicular encroachment. 2. Steel or cast iron post to which ships are tied.
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| Continuous, individual support used to hold steel reinforcing bars in the proper position.
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| . 1. A short piece of timber set horizontally across the top of a post, either to afford a greater bearing surface for a girder or girders, or to allow a post above to set between the ends of the girders, or to shorten the span of girders. 2. A long wire type chair used to support steel reinforcing bars in a concrete slab while the concrete is being placed.
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| A hand tool, utilizing effective leverage, that can shear bolts and steel reinforcing rods.
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| Steel bolt used to secure wood construction to concrete or masonry construction.
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| A threaded bolt with a round smooth head and a square neck directly under the head to prevent rotation.
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| A lock bolt having no spring action nor bevel, and which is operated by a key or a turn piece.
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| The tongue of a lock installed to prevent a door opening.
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| Bolts specifically used in wood applications, that have an unslotted oval head and square shoulders that sink into the wood to prevent turning.
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| 1. A threaded metal rod or pin for joining parts, having a head and usually used with a threaded nut. 2. a sliding bar for locking a door or gate. 3. A bar in a lock, moved by a key.
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| Steel structural system where the members are assembled and connected with bolts, as opposed to welding.
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| Beams, frames, trusses, or other supports connected to support a roof, bridge, or floor system, that are fastened together with bolts.
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| The arrangement, spacings, and dimensions of bolts used to attach two or more structural members together.
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| A concrete masonry unit with the upper part of the ends and webs removed to make room for horizontal reinforcing bars and grout; . U-blocks are sometimes used to form bond beams, especially as over openings.
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| A horizontal grouted element within a masonry wall in which steel reinforcement is embedded; a horizontal reinforced masonry beam, serving as an integral part of the wall.
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| A material used to prevent adhesion of newly placed concrete to other surfaces.
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| A material used between the back of the tile and the prepared surface; suitable bond coats include pure portland cement. dry-set portland cement mortar, latex-type portland cement mortar, organic adhesive, and the like.
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| The course consisting of units which overlap more than one wythe of masonry.
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| A specially formulated gypsum plaster designed as a first coat application over monolithic concrete.
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| 1. The solid connection of one material to another; a substance which causes such a joining to take place. 2. The adhesion between masonry units and mortar or grout. 3. The patterns and methods in which brick and block are installed, for example, American bond, basket weave, Dutch cross bond, Flemish bond, running bond, and stack bond. 4. The adhesion between the surface of a reinforcing bar and the adjacent concrete, mortar, or grout. 5. The adhesion of cement paste to aggregate. 6. The degree of firmness with which the paper adheres to the gypsum board core. 7. The junction of the weld metal and the base metal. 8. The adherence of the bitumens between two layers of roofing felts. 9. See Chemical Bond. 10. See Mechanical Bond. 11. See Surety Bond. 12. See Completion Bond. 13. See Performance Bond. 14. See Payment Bond. 15. See Roof Bond. 16. See Bid Bond.
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| . 1. Indicating ease or difficulty in bonding a material with adhesive. 2. Ease or difficulty of a contractor in obtaining a surety bond.
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| Rubber or latex cushioning adhered to the carpet at the mill.
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| A stop notice that is accompanied by a surety bond which guarantees any costs assessed against the claimant should the claimant lose its lawsuit; see Stop Notice.
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