truck loader, excavator with heavy duty scoop moving earth and loading dumper trucks during roadworks at highway

activity and backhoe bucket building bulldozer clay concrete construction details development digging dirt dredger dumper during duty earth earthmover engineer engineering excavation excavator foundation freeway gravel heavy heavyduty highway hydraulic industrial industry loader loading machine machinery mover moving process quarrying road roadworks scoop site soil structure sunlight tractor transport transportation truck trucks vehicle working workplace