Excavator starts up, expects to be jammed: Listen & Download Expects to be jammed, Excavator starts up .mp3 Error! Change your browser, please! ⇓ Download Truck crane works ⚠ Drill ⚠ Manual ratchet, tightening the nut, loosening ⚠ Electric tile cutter ⚠ Rough sandpaper, Sandpaper ⚠ Electric polished marble ⚠ Hammering a brick wall ⚠ Wood file ⚠ Electric machine grinder ⚠ Construction of buildings, driving piles, ⚠ Bulldozer passing by ⚠ Floor polisher ⚠ ★★★★★