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2. Light fixture - Wikipedia

   en.wikipedia.org/wiki/Light_fixture

   Light fixture. A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

3. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   A metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides [1][2] (compounds of metals with bromine or iodine). It is a type of high-intensity discharge (HID) gas discharge lamp. [1] Developed in the 1960s, they are similar to mercury vapor lamps, [1] but ...

4. Engineered stone - Wikipedia

   en.wikipedia.org/wiki/Engineered_stone

   Engineered stone. Engineered stone is a composite material made of crushed stone bound together by an adhesive to create a solid surface. The adhesive is most commonly polymer resin, with some newer versions using cement mix. This category includes engineered quartz (SiO 2), polymer concrete and engineered marble stone. [1]

5. Archaeologists Found a Mysterious Ancient Stone That Could ...

   www.aol.com/archaeologists-found-mysterious...

   Archaeologists discovered an ancient stone slab with 123 hieroglyphic symbols in Mexico, revealing the founding of a town in 569 AD and details about Maya rulers.

6. Aaron James Had the World's First Face and Eye ... - AOL

   www.aol.com/aaron-james-had-worlds-first...

   In June of 2021, James was away from his Arkansas home on the job in an elevated bucket near Tulsa, Okla., helping to transfer wires to a new electrical pole when he hit his face onto a live wire ...

7. Mercury-vapor lamp - Wikipedia

   en.wikipedia.org/wiki/Mercury-vapor_lamp

   The small diagonal cylinder at the bottom of the arc tube is a resistor which supplies current to the starter electrode. A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. [1] The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger soda lime ...