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  2. Compact fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Compact_fluorescent_lamp

    The color temperature of a light source is the temperature of a black body that has the same chromaticity (i.e. color) as the light source. A notional temperature, the correlated color temperature, the temperature of a black body that emits light of a hue that to human color perception most closely matches the light from the lamp, is assigned.

  3. Hanging craft - Wikipedia

    en.wikipedia.org/wiki/Hanging_craft

    A wall hanging craft is a decoration, an amulet, a religious or a symbolic object that is hung from the ceiling or another structure. The sculptor Alexander Calder invented the mobiles, popular in the nursery, to give infants something to entertain them and give them external visual stimulation. [ 1 ]

  4. Ceramic metal-halide lamp - Wikipedia

    en.wikipedia.org/wiki/Ceramic_metal-halide_lamp

    Streetlamp with a ceramic metal halide bulb Ceramic metal halide bulb with G12 socket. A ceramic metal-halide lamp (CMH), also generically known as a ceramic discharge metal-halide (CDM) lamp, [1] is a type of metal-halide lamp that is 10–20% more efficient than the traditional quartz metal halide [2] and produces a superior color rendition (80-96 CRI).

  5. Category:Artworks in metal - Wikipedia

    en.wikipedia.org/wiki/Category:Artworks_in_metal

    Islamic metal art (11 P) M. Medieval European metalwork objects (14 C, 106 P) Metal sculptures (12 C, 27 P) Metal toys (1 C, 12 P) ... Pages in category "Artworks in ...

  6. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  7. Metal-halide lamp - Wikipedia

    en.wikipedia.org/wiki/Metal-halide_lamp

    Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]