7 Solar-powered electricity generators; Brakes for industrial machines; Compressed air machine components, namely, cylinders, valves and air grips; Die-stamping machines; Engines and motors for the generation of electricity; Heat sinks for use in machines; Hydraulic controls for machines, motors and engines; Mechanical and pneumatic hoisting apparatus; Metalworking machines, namely, machining centers; Sun-tracking and daylighting system comprised of a solar-powered mechanism for sensing the position of the sun, automatically tracking the sun and then repositioning a mirror to direct the sunlight into courtyards, outdoor spaces and open-air spaces within building structures, and/or the inside of houses or buildings