truss, crane, falsework, scaffolding, gantry, crossbeams, handrail, beams, gusset plate, cofferdam, cupola, eyebar, cantilever, steelwork, bridge, cherry picker, pilings, abutments, winch, bascule, bailey bridge, truss bridge, superstructure, crosspieces, underbridge, karabiner, formwork, retaining wall, slab, shaft, gondola, overpass, catenary, viaduct, railings, pedestrian bridge, joists, axle, bascule bridge, bolts, guideway, tacoma narrows bridge, stanchions, culvert, elevator shaft, hawser, guardrail, arches, windlass, boulder, gooseneck, coiler, pulley, stator, nosewheel, conveyor, midbody, forklift, sheave, spacewalk, dowel, weld, flange, obelisk, tree trunk, chainlink fence, towline, pontoons, footbridge, drogue chute, floor joist, trunnion, arrester, mandrel, clevis, idler pulley, busbar, outriggers, serac, hasp, coupler, excavator, bulkhead, travelator, spandrels, cornice, bollard, baluster, drogue parachute, pantograph, connector, roof, slats, lightning arrester, prestressed, manway, pilaster, carabiner, epoxy glue, hay bale, caissons, roadbed, girders, stringer, trusses, struts, beam, caisson, stringers, bar, casing, joist, lintel, rail, seam, bolt, stiffeners, riveted, welded, arch, arched, canal, cantilevered, concrete, flue, highway, iron, overhead, plank, posttensioned, precast, reinforced, screwed

i-beam

clinch, i-beam