trusses, girders, crossbeams, joists, arches, parabolic reflector, cantilever, mullions, gratings, lattice, gantry, reflector, spandrels, roof, lintels, gimbals, casement window, grillwork, floor joist, gothic arch, crosspieces, prestressed, pilaster, gnomon, rods, casements, stanchions, tenons, welds, scaffolding, skylight, falsework, slab, ceiling, louvers, superstructure, laths, diffraction grating, pilings, radiating, brickwork, retroreflector, steelwork, piers, semicircles, aerofoil, cupola, dowels, arcing, sheave, capstan, slats, rood, quoins, crane, refract, clerestory, transept, electromagnet, panes, collimator, prisms, armillary sphere, curvatures, trestles, magnetic flux, handrails, doorframe, soffit, toroid, abutments, trunnion, rays, oculi, davits, crenellations, baluster, coronagraph, subfloor, bedframe, electron beam, dihedral, jambs, plexiglas, laser beam, masonry, poles, baseplate, bolts, streetlamp, mortice, outriggers, eyepieces, flue pipe, chimney stack, underside, rebar, collimation, hoistway, walls, tiles, mortise, beam, bars, slabs, bands, panels, planks, rafters, sills, spokes, stringers, strips, uprights, wedges, struts, timbers, choice, compartment, microscopy, probe, sunbeams, allantoic, amperometric, calorimetric, chromatographic, clamp, correlation, coulometric, counting, digestion, dilatometric, explorative, exploratory, gerlach, hydroponic, interferometric

balk, baulk, beam-ends, cantilever, collider, crib, dispread, electron optics, evermore, fishplate, fish joint, keel, post and lintel, proton accelerator, rafter, reflection, reflectivity, reflexion, rotted, scan, step, structural, trabeate, trabeated, truss, wire