base bulb cap cost current double-contact-bayonet-base edison-screw-base electric-current electricity embedded-wires emissions filament gas-discharge globe glow glowing incandescence incandescent-light instant-start lamp light light-source lighting luminosity luminous luminous-efficacy sleeve standard stem traditional ultraviolet ultraviolet-emissions ultraviolet-light ultraviolet-radiation aerial chairlift climb elevator hill lift line mechanism motor mountain tramway wheel decoration earth round sphere stone triangle crown fingers hands head leg metal sculpture statue brass instrument music musical tuba Golds greens leaves moss Tree base yellows