close up details heavy construction machinery in open pit ore mine - wheel loader transports gravel at sorting plant

activity backhoe blade boring bucket building bulldozer close concrete construct construction details digging dumper earthmover engineer engineering equipment excavation excavator gravel heavy heavyduty highway hydraulic industrial industry loader loading machine machinery manufacturing mine mining mover moving open openpit ore pit plant process quarry quarrying rocks sand scoop site sorting technology tractor transport transportation transports truck unloading vehicle wheel work working works