I-corundum emhlophe ebhula, ebizwa nangokuthi i-white aluminium oxide, inamandla okuqina okushisa, ukumelana nokushisa okuphezulu ngaphezu kwama-degrees angu-1750, ubumsulwa obuphezulu, ukuzilola okuhle, ikhono lokugaya eliqinile, inani eliphansi lama-calories, ukusebenza kahle okuphezulu kanye nokumelana nokugqwala kwe-acid-base. Izibonakalise ngokwayo ezintweni eziningi...
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