winch is part of:

winch contains:
    80%  crank-winch
    80%  thumb-winch

Full expansion for winch:
    80%  2x2x2 Thumb-Winch w/ String
    80%  2x4x2 Thumb-Winch w/ 18L Thread & Nozzle
    80%  2x4x2 Winch
    80%  2x4x2 Winch w/ Hook & String
    40%  Thumb-Winch Axle w/ String