colloid suspensions of magnetic particles combining magnetic characteristics and fluidity, ferrofluids and magnetic fluids, ferrofluidic seals and suspensions that are used in the manufacture of industrial devices requiring minimized resistance and friction namely, dumpers, shock absorbers, seals, suspensions, cooling devices, rotating shafts, gyroscopes, bearings, image stabilizing devices for optical systems and other related devices, and user and instruction manuals supplied as a unit with...