Casting have something to do with an act or process of making casts or impressions, or of pouring molten metal and shaping metal or plaster into a mold.

See also:
"Casting" is in the NACE Code "27.53"
  Casting of light metals

"Casting" is in the ISIC Code "273"
  Casting of metals

"Casting" is in the NAICS Code "331521"
  (Aluminum Die-Casting FoundriesDie-castings, aluminum, unfinished, manufacturing)