Electric heatingwarning composite fabric articles have at least a fabric layer having inner and outer surfaces, and an electric heatingwarming element, formed, e. The mechanical assist apparatus comprises a user-engageable lever, an arm rotatably coupled to the user-engageable lever at a first joint, and a sled rotatably coupled to the arm at a second joint offset from the first joint, wherein the sled comprises a biasing member. The starting device for discharge lamp comprising; a socket for mounting the discharge lamp, a bobbin and a starting transformer having a core-less structure equipped with a primary and a secondary coils wound around the bobbin; wherein the starting transformer is formed as in a ring or a horseshoe. The input and driving shafts have intermeshing gear wheels, with fixed gears and loose wheels or idler gears. The attitude control system includes a plurality of gimbaled thrusters interconnected with the spacecraft and arranged to produce thrust in a direction parallel to a roll-pitch plane of the spacecraft.