Construction, digging, bulldozer:
-
Crackling, Bulldozer rides through the woods
-
Loosening, tightening the nut, Manual ratchet
-
Sawing, Hacksaw
-
Hammer and chisel, blows on concrete
-
Manual grinder
-
Grinder
-
Excavator digs a hole
-
Open, Tool box, close the lid
-
Vibratory grinding machine
-
Bobcat loader works, loads
-
Diesel engine
-
Floor polisher
★★★★★