↑   Estimates vary world wide, but most resources give a figure of 2–4kg of bauxite for each 1kg of alumina. Crevice Corrosion: Happens in confined Areas, like joints or overlaps, wherever dampness can accumulate and break down the oxide layer as time passes. Decrease Energy As compared to Metal: When aluminium https://aluminium-greenhouse13344.ssnblog.com/36342384/the-aluminium-greenhouse-diaries