scaffold

crane, cherry picker, falsework, girders, railings, elevator shaft, trusses, roof, steelwork, formwork, handrail, workmen, steeple, ladders, masonry, bell tower, crossbeams, cornice, superstructure, awning, balustrade, staircase, chimney stack, gantry, walkway, brickwork, parapets, stonework, stairwell, skylight, forklift, retaining wall, rockface, lampposts, canopy, pilings, ledge, piton, spire, beams, proscenium arch, chainlink fence, bannister, sawhorses, sheetrock, tarpaulin, chimney, arches, cofferdam, stanchions, floor joist, bedframe, barricade, plaster, tower, storeys, davits, belaying, walls, shatterproof glass, banister, plyboard, joists, footbridge, balcony, serac, steeplejack, building, bollard, excavator, cupola, facade, window washer, tarp, guttering, clapboards, rope, latticework, spandrels, slab, palings, stairway, rooftop, belfry, plasterwork, crenellations, pedestrian bridge, lath, planking, sheeting, cladding, pier, subfloor, gangway, concrete, spiral staircase, fireproofing, lintel, circus tent, pontoons, shingling, telegraph pole, groundwork, scaffold, fencing, framing, machinery, supports, ballast, foundation, props, substructure, grounding, prop, cornerstone, nourishment, barricades, fences, frame, framework, fulcrum, applicational, biomedical, delimited, extralinguistic, noncognitive, nonwork, researchable, socioemotional, understudied, unexplored, unphysical, aboral, achromatic, adminstrative, affective, affectual, affiliative, akinetic, allimportant, anasazi

system, unit