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Suspend angle iron grids or channel irons from ceilings, using wire.
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Scribe and cut edges of tile to fit walls where wall molding is not specified.
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Seal joints between ceiling tiles and walls.
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Wash concrete surfaces before mounting tile to increase adhesive qualities of surfaces, using washing soda and zinc sulfate solution.
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Measure and mark surfaces to lay out work, according to blueprints or drawings, using tape measures, straightedges or squares, and marking devices.
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Cut metal or wood framing and trim to size, using cutting tools.
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Read blueprints or other specifications to determine methods of installation, work procedures, or material or tool requirements.
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Apply or mount acoustical tile or blocks, strips, or sheets of shock-absorbing materials to ceilings or walls of buildings to reduce reflection of sound or to decorate rooms.
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Fasten metal or rockboard lath to the structural framework of walls, ceilings, or partitions of buildings, using nails, screws, staples, or wire-ties.
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Hang drywall panels on metal frameworks of walls and ceilings in offices, schools, or other large buildings, using lifts or hoists to adjust panel heights, when necessary.
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Fit and fasten wallboard or drywall into position on wood or metal frameworks, using glue, nails, or screws.
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Install metal lath where plaster applications will be exposed to weather or water, or for curved or irregular surfaces.
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Mount tile, using adhesives, or by nailing, screwing, stapling, or wire-tying lath directly to structural frameworks.
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Install blanket insulation between studs and tack plastic moisture barriers over insulation.
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Hang dry lines to wall moldings to guide positioning of main runners.
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Install horizontal and vertical metal or wooden studs to frames so that wallboard can be attached to interior walls.
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Cut and screw together metal channels to make floor or ceiling frames, according to plans for the location of rooms or hallways.
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Inspect furrings, mechanical mountings, or masonry surfaces for plumbness and level, using spirit or water levels.
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Nail channels or wood furring strips to surfaces to provide mounting for tile.
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Measure and cut openings in panels or tiles for electrical outlets, windows, vents, plumbing, or other fixtures, using keyhole saws or other cutting tools.
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Apply cement to backs of tiles and press tiles into place, aligning them with layout marks or joints of previously laid tile.
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Trim rough edges from wallboard to maintain even joints, using knives.
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Cut fixture or border tiles to size, using keyhole saws, and insert them into surrounding frameworks.
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Coordinate work with drywall finishers who cover the seams between drywall panels.
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Remove existing plaster, drywall, or paneling, using crowbars and hammers.
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Assemble or install metal framing or decorative trim for windows, doorways, or vents.