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