Related by context. Frequent words. (Click for all words.) 72 trusses 69 girders 59 pilings 59 beams 58 girder 57 concrete slabs 56 truss 55 scaffolding 52 crane 52 rebar 51 superstructure 49 concrete slab 49 arches 49 steel 49 cranes 49 ductwork 49 timbers 48 ceiling panels 48 slab 48 welds 48 exterior walls 48 masonry 47 scaffold 47 concrete 47 retaining walls 47 piers 47 footings 46 slabs 46 railings 46 pontoons 46 reinforced concrete 46 roof 46 retaining wall 45 bolts 45 cupola 45 brickwork 44 handrails 43 ceiling tiles 43 sheet metal 43 walls 42 welded 42 guardrails 42 stonework 42 weld 42 steeple 41 Freedom Tower 41 flatbed truck 41 forklift 41 lattice 41 handrail 41 welders 41 plywood 40 bricks 40 wrought iron 40 awning 40 limestone 40 tree trunk 40 rotted 40 granite 40 wire mesh 40 electrical wires 40 archway 40 walkway 40 arch 40 tarps 40 tractor trailers 40 roofs 39 manhole covers 39 canopy 39 rods 39 pedestrian bridge 39 rivets 39 fasteners 39 drywall 39 electrical wiring 39 grates 39 prefabricated 38 tree limbs 38 loading dock 38 metal 38 twin towers 38 obelisk 38 elevator shaft 38 welding 38 epoxy 38 construction 38 tree trunks 38 Interstate #W bridge 38 cinder block 38 pillars 38 backhoes 38 bell tower 38 spire 38 stainless steel 38 overpass 37 pylons 37 walkways 37 wall 37 cement 37 atrium 37 fuselage