bulldozer• He set up a beehivebarricade as bulldozers moved in to dig a pipeline near his land.• The graders and the jeeps and the wide-mouthed bulldozers.• They march down NinthAvenue in concert, a team of bulldozersscrubbing the road clean.• We had some bulldozers, and they tried to dig out the tunnels.• But then the Great Society poured money into cities, including Tucson, and the bulldozersarrived.• There were outbuildings and stables, all of them run down and needing money spent; or the bulldozer, Kevin decided.• The bulldozer would be used to load them.• The two drivers, obeying hand signals from Charley, eased the toppledbulldozer away, steadily and with no rotatingmotion.