Mechanical sounds: Listen & Download Mechanical sounds .mp3 Error! Change your browser, please! ⇓ Download Hand winch ⚠ Off, Hydraulic mechanism, on ⚠ Drawbridge raise chains ⚠ Bicycle hand pump ⚠ Kick the bike speed switch ⚠ Mechanical sounds ⚠ Foot pump inflating a mattress ⚠ Lower chains, Drawbridge ⚠ Chain, chain hoist ⚠ Small hydraulic gear ⚠ ★★★★★