Sonic Boon's THE WORKS - Sounds of Motion, Action & Force. 10 CDs with 2,870 effects, including such categories as pneumatics, buttons, switches, signals, levers, ratchets, gears, friction, stress, servo motors, small motors, small mechanisms, electrical effects, compartments, doors, machines, motors and engines, in addition to a diverse collection of backgrounds: interior work & manufacturing, packing, shipping, conveyors, exterior work, labor, industry, and constant tone environments.