E tusa ai ma le mea o loʻo i totonu o le Al2O3 o le inert alumina ceramic filler, e mafai ona faʻaleleia le lelei o le palapala.E mafai ona vaevaeina polo sima i polo sima masani, inert alumina ceramic polo, medium alumina ceramic polo, maualuga alumina ceramic polo, 99 alumina maualuga ...
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