Apparatus for environmental control, namely, light bulbs, electric light bulbs, arc lamps, electric lamps, lamps; lamp casings; burners for lamps; pocket searchlights; lamp glasses; electric discharge tubes for lighting; light diffusers; sockets for electric lights; lighting apparatus, namely, lighting installations; chandeliers; ceiling lights; filaments for electric lamps; flares; lamp globes; ultraviolet ray lamps, not for medical purposes; safety lamps for underground use; lamp reflectors...