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2. Polystyrene - Wikipedia

   en.wikipedia.org/wiki/Polystyrene

   Polystyrene copolymers are also produced; these contain one or more other monomers in addition to styrene. In recent years the expanded polystyrene composites with cellulose [39] [40] and starch [41] have also been produced. Polystyrene is used in some polymer-bonded explosives (PBX). [citation needed]

3. Evaporative-pattern casting - Wikipedia

   en.wikipedia.org/wiki/Evaporative-pattern_casting

   Evaporative-pattern casting is a type of casting process that uses a pattern made from a material that will evaporate when the molten metal is poured into the molding cavity. The most common evaporative-pattern material used is polystyrene foam. [1] The two major evaporative-pattern casting processes are: [1] Lost-foam casting; Full-mold casting

4. Full-mold casting - Wikipedia

   en.wikipedia.org/wiki/Full-mold_casting

   Finally, the molten metal (1) is poured into the mold, which vaporizes the foam (3) allowing the metal to fill the entire mold. The vapor is simultaneously extracted from the flask through the sand. The casting is allowed to cool and then dumped out of the flask (5) ready to use. The sand does not need to be reprocessed so it can be directly ...

5. Metal casting - Wikipedia

   en.wikipedia.org/wiki/Metal_casting

   The metal is poured into the mold through a hollow channel called a sprue. The metal and mold are then cooled, and the metal part (the casting) is extracted. Casting is most often used for making complex shapes that would be difficult or uneconomical to make by other methods. [1]

6. Styrene - Wikipedia

   en.wikipedia.org/wiki/Styrene

   Styrene is an organic compound with the chemical formula C 6 H 5 CH=CH 2.Its structure consists of a vinyl group as substituent on benzene.Styrene is a colorless, oily liquid, although aged samples can appear yellowish.

7. Microplastics are in many of your body’s organs and tissues ...

   www.aol.com/microplastics-everywhere-5-tips-cut...

   While bisphenol A (BPA) — a chemical that was commonly used in the lining of many metal food and drink cans, lids and caps — is no longer present in the packaging for most products (think ...

8. How To Protect Your Roses This Winter Before It's Too Late

   www.aol.com/lifestyle/protect-roses-winter-too...

   Rose cones can be metal frames with removable vinyl covers or huts formed from Styrofoam. The cones provide additional protection around small rose bushes and tea roses when mounding soil or mulch.

9. Food poisoning is extremely common. But that doesn't ... - AOL

   www.aol.com/food-poisoning-extremely-common...

   Few things will put a damper on your vacation or holiday faster than food poisoning. The intense stomach pain, rushing to the toilet and feeling relegated to bed keeps just about everyone out of ...