No. Construction machinery, working face, pile number, total machinery name, specification, model, power, capacity, tonnage, 1 smooth wheel roller, 2 self-propelled sheep foot roller, 3 towed sheep foot roller, 4 grader, 5 bulldozer, 6 excavator, 7 loader, 8 dump truck, 9 sprinkler, 10 drilling equipment, 11 mixing equipment, 12