the plant, owned by j.g. neher & sons, the aluminium manufacturers, started in 1886 in schaffhausen, switzerland, at the foot of the rhine falls, capturing the falls' energy to process aluminium. neher's sons, together with dr. lauber, discovered the endless rolling process and the use of aluminium foil as a protective barrier in december 1907.
coltan short for columbite–tantalites and known industrially as tantalite is a dull black metallic ore from which are extracted the elements niobium and tantalum. the niobium-dominant mineral in coltan is columbite after niobium's original american name columbium , and the tantalum-dominant mineral is the tantalite .
mopani copper mines plc 'mopani' is a zambian registered company owned by carlisa investments corporation a joint venture company comprising glencore international ag 73.1% and first quantum minerals ltd 16.9% and zccm-ih 10% . minority shareholders are spread throughout the world, in various locations.
as a hot topping: both exfoliated and crude vermiculite have been used for hot topping in the steel industry. when poured onto molten metal, crude vermiculite exfoliates immediately and forms an insulating layer, allowing the material to be transported to the next production process without losing too much heat.
johan richter johan christopher fredrik carl richter, 12 november 1901 – 13 june 1997 in oslo was an engineer, industrialist and inventor in the area of pulp and paper production.kamyr in karlstad, sweden which split in two in 1989 and now is part of andritz ag and paper was created on the basis of his inventions.
alibaba group holding limited also known as alibaba group and as alibaba is a chinese multinational technology company specializing in e-commerce, retail, internet, and technology.founded on 4 april 1999 in hangzhou, zhejiang, the company provides consumer-to-consumer c2c , business-to-consumer b2c , and business-to-business b2b sales services via web portals, as well as electronic .
prior to 2004, the principal use of palladium in jewelry was the manufacture of white gold. palladium is one of the three most popular alloying metals in white gold nickel and silver can also be used . palladium-gold is more expensive than nickel-gold, but seldom causes allergic reactions though certain cross-allergies with nickel may occur .