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2. ISCC–NBS system - Wikipedia

   en.wikipedia.org/wiki/ISCC–NBS_system

   Each of the 267 ISCC–NBS categories is defined by one or more "blocks" within the color solid of the Munsell color system, where each block includes colors falling in a specific interval in hue, value, and chroma, resulting in a shape which "might be called a sector of a right cylindrical annulus (like a piece of pie with the point bitten off ...

3. Chemical coloring of metals - Wikipedia

   en.wikipedia.org/wiki/Chemical_coloring_of_metals

   Chemical coloring of metals is the process of changing the color of metal surfaces with different chemical solutions. The chemical coloring of metals can be split into three types: electroplating – coating the metal surface with another metal using electrolysis. patination – chemically reacting the metal surface to form a colored oxide or ...

4. Color chart - Wikipedia

   en.wikipedia.org/wiki/Color_chart

   Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...

5. List of inorganic pigments - Wikipedia

   en.wikipedia.org/wiki/List_of_inorganic_pigments

   Raw umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe 2 O 3 + MnO 2 + n H 2 O + SiO 2 + Al 2 O 3. When calcined (heated) it is referred to as burnt umber and has more intense colors. Raw sienna (PBr7): a naturally occurring yellow-brown pigment from limonite clay. Used in art since prehistoric ...

6. Aluminium–silicon alloys - Wikipedia

   en.wikipedia.org/wiki/Aluminium–silicon_alloys

   Aluminum-silicon phase diagram. Aluminum forms a eutectic with silicon, which is at 577 °C, with a Si content of 12.5% [7] or 12.6%. [8] Up to 1.65% Si can be dissolved in aluminum at this temperature. However, the solubility decreases rapidly with temperature. At 500 °C it is still 0.8% Si, at 400 °C 0.3% Si and at 250 °C only 0.05% Si.

7. Reynolds Wrap Aluminum Foil Is Now Color-Coded—Here’s What ...

   www.aol.com/reynolds-wrap-aluminum-foil-now...

   This foil is made with 100% recycled aluminum and has a much smaller carbon footprint than its brethren. It uses 90% less energy than developing a brand-new foil. It uses 90% less energy than ...

8. Aluminium–copper alloys - Wikipedia

   en.wikipedia.org/wiki/Aluminium–copper_alloys

   Aluminium–copper alloys (AlCu) are aluminium alloys that consist largely of aluminium (Al) and traces of copper (Cu) as the main alloying elements.Important grades also contain additives of magnesium, iron, nickel and silicon (AlCu(Mg, Fe, Ni, Si)), often manganese is also included to increase strength (see aluminium-manganese alloys).

9. 10 Retro Video Game Consoles That Are Surprisingly Valuable Today

   www.aol.com/10-retro-video-game-consoles...

   Neo Geo Pocket Color. eBay. ... particularly fan-favorites like “SNK vs. Capcom” and “Metal Slug: 1st Mission.” In mint condition, this console can sell for around $200 to over $700 ...