Related by context. Frequent words. (Click for all words.) 69 girders 65 truss 62 crane 59 trusses 58 steel beams 53 scaffolding 51 handrail 49 scaffold 49 beams 47 cupola 47 bridge 46 pilings 46 winch 45 superstructure 45 shaft 45 overpass 44 concrete slabs 44 retaining wall 44 viaduct 44 concrete slab 44 cranes 44 slab 44 pedestrian bridge 44 guardrails 44 railings 44 gondola 43 culvert 43 guardrail 43 handrails 43 welded 43 axle 43 boulder 42 bolts 42 tree trunk 42 arches 42 elevator shaft 42 pulley 42 ceiling panels 41 beam 41 footbridge 41 flange 41 conveyor 41 spacewalk 41 obelisk 41 welds 41 forklift 41 spacewalks 41 pontoons 41 weld 41 bulkhead 40 solar arrays 40 excavator 40 spacewalkers 40 robotic arm 40 connector 40 drawbridge 40 railing 39 roof 39 tree limb 39 rear axle 39 rope 39 slats 39 flatbed truck 39 rebar 39 cables 38 manhole 38 electrical wires 38 reinforced concrete 38 footings 38 chimney 38 spire 38 canopy 38 rod 38 pontoon 38 orbiting outpost 38 concrete 38 Interstate #W bridge 38 wires 37 grate 37 parapet 37 shuttle Endeavour 37 boulders 37 utility pole 37 ledge 37 shuttle astronauts 37 pylons 37 pelvis 37 transformer 37 rails 37 webbing 37 westbound lanes 37 engine compartment 37 floodwall 37 fasteners 37 chairlift 37 rods 37 arch 37 shuttle 37 coaster 37 bell tower 37 northbound lanes