| Flight or series of connected stair flights fabricated of steel members extending between two or more floors within given floor area.
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| A steel plate fastened across the inner section of two or more timbers.
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| steel member upon which stair treads bear.
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| 4516 Henry Street, #301, Pittsburgh, Pennsylvania 15213, (412) 687-1113.
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| 1. Steel pin or rod having head at one end for driving into material used for holding members or parts of members together. 2. In light gage construction, a vertical framing member similar to a 2x 4 stud.
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| sheet metal pan forming low point in roof deck to collect water and receive roof drain.
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| 570 Oakwood Road, Lake Zurich, Illinois 60047-1559, (708) 438-8765.
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| A receptacle manufactured from steel for holding, transporting or storing liquids.
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| steel bolt and nut assembly to fasten objects to hollow construction; assembly from only one side; nut has pivoted wings that close against spring when nut end of assembly is pushed through hole and spring open on other side in void of construction assembly.
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| Framing, usually above a ceiling used to support ceiling-hung toilet partitions.
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| A steel transverse piece in a structure, lintel; a steel horizontal crossbar in a window, over a door, or between a door and a window or fanlight above it.
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| sheet metal plate, placed over valley formed when two differing roof slopes intersect.
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| steel covering over lower portion of wall or partition to protect from damage.
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| Flat ring of steel which may be plain split, toothed, or embossed, used in threaded connections to distribute loads, span large openings, relieve friction, or prevent loosening, made of high strength steel; often used with high strength bolts.
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| Compressible washers with direct tension indicator capable of indicating achievement of minimum bolt tension of high strength bolts.
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| Washer made of steel to be compatible with weathering steel.
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| Washer made of steel to be used for welding in steel fabrication.
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| Flat ring of steel which may be plain split, toothed, or embossed, used in threaded connections to distribute loads, span large openings, relieve friction, or prevent loosening.
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| Washer for containing arc spot welds on thin sheet metal (thinner than 0.028 inch).
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| A localized heating of two pieces of steel to melting until there is a fusing of the material.
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| 1300 Summer Avenue, Cleveland, Ohio 44115, (216) 241-7333.
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| steel screw with threads designed for penetration of wood and similar materials.
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| An abrasive material consisting of a mass of fine steel shavings, used for polishing and burnishing.
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| steel that is rolled in a variety of shapes and manufactured for use as structural load-bearing members.
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| Iron compounded with other metals to increase strength and wearing or rust resistance.
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| A roofing asphalt that has a softening point of approximately 190°F (88°C) and that conforms to the requirements of ASTM Standard D 312, Type III.
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| Roofing that is over 1-1/2 inches per foot slope or pitch.
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| A spire, as on a church.
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| A person who climbs tall structures, usually with safety rigging, for painting and repairs.
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| The vertical part of a concrete or masonry retaining wall.
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