ground basic slag
41Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
42Shielded metal arc welding — (SMAW), also known as manual metal arc (MMA) welding, flux shielded arc welding …
43Bokaro Steel City — Infobox Indian Jurisdiction native name=Bokaro type=city latd = 23.67|latNS=N|longd=86.15|longEW=E state name=Jharkhand district=Bokaro country=India altitude=210 population as of = 2001 population total = 497000 population density = 8760 area… …
44Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
45Copper — For other uses, see Copper (disambiguation) …
46Tricalcium aluminate — (3CaO.Al2O3) is the most basic of the calcium aluminates. It does not occur in nature, but is an important mineral phase in Portland cement.PropertiesPure tricalcium aluminate is formed when the appropriate proportions of finely divided calcium… …
47List of species in Magic: The Gathering — Magic: the Gathering is a collectible card game set in a richly detailed fictional world. The Multiverse of Dominia in which it takes place is host to a vast number of individual universes known as planes, from the varied classical environments… …
48Lean manufacturing — or lean production, which is often known simply as Lean , is the practice of a theory of production that considers the expenditure of resources for any means other than the creation of value for the presumed customer to be wasteful, and thus a… …
49Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
50Coal seam fire — A coal seam fire near Denniston, New Zealand A coal seam fire or mine fire is the underground smouldering of a coal deposit, often in a coal mine. Such fires have economic, social and ecological impacts. They are often started by lightning, grass …
