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2. Lighting - Wikipedia

   en.wikipedia.org/wiki/Lighting

   The standard lamp and shade that sits on a table is general lighting, while the desk lamp is considered task lighting. Magnifier lamps are also task lighting. Animated fountain in Moscow's Square of Europe, lit at night. The illuminated ceiling was once popular in the 1960s and 1970s but fell out of favor after the 1980s.

3. 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).

4. Coupon - Wikipedia

   en.wikipedia.org/wiki/Coupon

   Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets. [6] Coca-Cola's 1888-issued "free glass of" is the earliest documented coupon. [6] [7] Coupons were mailed to potential customers and placed in magazines ...

5. Baublebar's sitewide Black Friday sale is one you can't miss ...

   www.aol.com/lifestyle/baublebars-sitewide-black...

   Get 30% off all jewelry at Baublebar during the brand's sitewide Black Friday sale. Get 20% off custom items, too. Here are the pieces we recommend.

6. Stocks slip but cap off 2024 with a 2nd straight year of 20% ...

   www.aol.com/stocks-slip-cap-off-2024-210500002.html

   Still, the S&P 500 gained over 20% for the second year in a row. Other markets also notched records in a blockbuster year. US stocks dipped in the final trading session of 2024, but weakness in ...

7. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   Similar to fluorescent lights, HMIs present problems with color temperature when used for film or video lighting applications.Unlike incandescent-lighting units, which are blackbody radiators limited to a theoretical maximum of 3680 K (the melting point of tungsten), HMI lamps, like all gas discharge lighting, emit the emission spectral lines of its constituent elements, specifically chosen so ...