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