Alumina, kapena aluminiyamu oxyde, amatha kupangidwa moyera. Makalasi wamba omwe amagwiritsidwa ntchito pogwiritsa ntchito mafakitale amakono ndi 99.5% mpaka 99.9% yokhala ndi zowonjezera zomwe zimapangidwa kuti zithetse katundu. Njira zambiri zosinthira za demokhmic zitha kugwiritsidwa ntchito kuphatikizapo magwiridwe opanga kapena mawonekedwe a neune kuti apange kukula kwakukulu ndi mawonekedwe a chinthu.
Alumina ndi chinthu chogwiritsidwa ntchito kwambiri m'mapulogalamu otsatirawa:
Magetsi ogwiritsa ntchito zamagetsi, zigawo zamagetsi zotsutsana ndi ma lasers a sera, chifukwa cha ma scunducc pokonza (monga Chuck, EXCOR, Mphete yowala)
Masamba ogwiritsa ntchito magetsi a electron.
■ Zida zojambula za vaction-vacuum, zida za ensogenic, zida za raclear, zida zomwe zimagwiritsidwa ntchito pamtunda wapamwamba.
Kugwiritsa ntchito chipongwe cha Trucsion, pisiton kuti mapampu, mavavu ndi dosing, njira yamagazi.
