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2. Cast bullet - Wikipedia

   en.wikipedia.org/wiki/Cast_bullet

   An open single-cavity bullet mold and a closed two-cavity mold. A cast bullet is made by allowing molten metal to solidify in a mold.Most cast bullets are made of lead alloyed with tin and antimony; but zinc alloys have been used when lead is scarce, and may be used again in response to concerns about lead toxicity.

3. Fishing sinker - Wikipedia

   en.wikipedia.org/wiki/Fishing_sinker

   Later, lead became the material of choice for sinkers due to its low cost, ease of production and casting, chemical inertness (resistance to corrosion), and density. However, lead is known to cause lead poisoning and enter the environment as a result of the inevitable occasional loss of fishing sinkers during routine fishing. [5]

4. Lead weights and lie detectors: The scandal that rocked a ...

   www.aol.com/sports/lead-weights-lie-detectors...

   So when Jason Fischer, director of the Lake Erie Walleye Trail tournament series, pulled handfuls of lead sinkers and fillets from the bellies of some prize-winning fish, he knew he had a hell of ...

5. Permanent mold casting - Wikipedia

   en.wikipedia.org/wiki/Permanent_mold_casting

   Permanent mold casting is a metal casting process that employs reusable molds ("permanent molds"), usually made from metal. The most common process uses gravity to fill the mold, however gas pressure or a vacuum are also used.

6. Plaster mold casting - Wikipedia

   en.wikipedia.org/wiki/Plaster_mold_casting

   Like sand casting, plaster mold casting is an expendable mold process, however it can only be used with non-ferrous materials. It is used for castings as small as 30 g (1 oz) to as large as 7–10 kg (15–22 lb). Generally, the form takes less than a week to prepare. Production rates of 1–10 units/hr can be achieved with plaster molds. [1] [2]

7. Casting - Wikipedia

   en.wikipedia.org/wiki/Casting

   The mold is a hollow cavity that includes the desired shape, but the mold also includes runners and risers that enable the metal to fill the mold. The mold and the metal are then cooled until the metal solidifies. The solidified part (the casting) is then recovered from the mold.