Related by context. Frequent words. (Click for all words.) 53 scaffolding 51 crane 47 forklift 43 scaffold 42 winch 41 excavator 39 awning 39 elevator 38 cranes 38 trampoline 38 videographer 36 concrete slab 36 gondola 36 backhoe 35 roof 35 guardrail 35 loader 35 railings 35 ladders 34 tarp 34 steel beams 34 Swarbrick 34 flatbed truck 34 tower 34 utility pole 34 tractor 34 sled 34 tractor trailer 34 trailer 33 #ft [002] 33 utility poles 33 truss 33 rooftop 33 flatbed 33 steeple 33 bleachers 33 poles 33 shaft 33 guardrails 32 elevators 32 tripod 32 wheelchair 32 overpass 32 backboard 32 canopy 32 drilling rig 32 rig 32 awnings 32 conveyor 32 semitrailer 32 mower 31 golf cart 31 welding 31 stairwells 31 roofing 31 #ft [003] 31 towers 31 barge 31 hoist 31 digger 31 carport 31 truck 31 fire extinguisher 30 storeys 30 skateboard 30 dump truck 30 bulldozer 30 stairwell 30 loading dock 30 sprinkler system 30 helicopter 30 jet ski 30 ledge 30 workmen 30 videotaping 30 snowplow 30 Ferris wheel 29 chimney 29 tree limbs 29 Elevator 29 tow truck 29 skylight 29 hydraulic 29 beams 29 robotic arm 29 inflatable 29 welders 29 deck 29 staircase 29 stairway 29 masonry 29 retaining wall 29 bell tower 29 railcars 29 wheelchairs 29 mast 29 halfpipe 29 forklifts 29 manhole 28 rock climbing 28 pilings