| Zinc coated steel pipe.
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| Glass and glass-lined pipe used in process piping.
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| Pipe manufactured in cast iron, which is fabricated without hubs for coupling.
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| Pipe manufactured from a thermoplastic compound.
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| A tough plastic pipe with resistance to chemicals and heat.
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| Polyvinyl chloride pipe used mainly for drain lines, particularly resistant to chemicals.
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| Pipe or tubing constructed of stainless steel which has a high resistance to corrosion.
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| Pipe used in a structure to transfer imposed loads to the ground.
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| 1. A long tube or hollow body for conducting a liquid, gas, or finely divided solid. 2. A structural column or strut.
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| Any system of pipes in a building.
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| Passive Infra-Red detector. A part of a burglar alarm system.
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| A basin with a drain, usually to a soak pit, near the altar in a church for disposing of water from liturgical ablutions.
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| Volume displaced by piston as it travels the full length of its stroke; volume obtained by multiplying area of cylinder bore by length of piston stroke.
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| Close-fitting part or plug which moves up and down in a cylinder.
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| A hole, shaft, or cavity in the earth.
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| see Bevel Board.
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| Any of the pines that yield pitch; the heartwood is brownish red and resinous; the sapwood is thick and light yellow; used for lumber, fuel, and pulpwood.
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| 1. An opening between growth rings of a tree which usually contains resin, bark, or both. 2. In roof construction, a flanged metal container placed around a roof penetration at roof level to receive hot bitumen or caulking and provide a roof seal; commonly found at columns or plumbing stacks.
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| A well-defined accumulation of pitch in a more or less regular streak in the wood of certain conifers.
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| 1. Resin obtained from various conifers. 2. A black or dark viscous substance obtained as a residue in distilling tar or oil from bones; it also occurs in natural form as asphalt. 3. The slope of a stairway, in degrees. 4. The slope of a roof. 5. Degree of slope or grade given a horizontal run of pipe. 6. The spacing of rivets or bolts. 7. The frequency of sound vibrations. 8. In carpet, the number of pile ends per inch of width; actually, in practical floor covering specifications, it is taken as the number of pile ends per unit of standard 27-inch width; terms of pitch used commonly in the industry are 180, 189, 192, 216 and 256.
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| The small, soft core occurring near the center of a tree trunk, branch, twig, or log.
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| Tube used to measure air velocities.
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| see Pops.
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| Formation of small, usually shallow depressions or cavities in the surface of a material.
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| A shaft, axis, or pin on which something turns or oscillates.
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| Process of placing and consolidating concrete; also called Pour.
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| steel reinforcing bar without deformations.
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| Concrete that is either unreinforced or contains less reinforcement than the minimum amount specified in the code for reinforced concrete.
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| see Plain Bar.
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| 1. Flat-grained lumber. 2. Lumber sawed regardless of the grain, the log is simply squared and sawed to the desired thickness; also called Slash Sawed or Bastard Sawed.
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