a large front loader pours sand into a pile at a construction site. transportation of bulk materials. construction equipment. bulk

construction gravel loader site front truck earthmoving stone crushed transportation dump equipment bucket machine excavator heavy industrial moving concrete shovel mover machinery tractor work bulldozer industry soil vehicle activity quarry hydraulic development end plant action engineering scoop loading backhoe yellow digger unloading excavation earthmover dig labor excavate large job pours sand into pile bulk materials cargo view from pipe