E, re ka fana ka sampole ea mahala, empa litšenyehelo tsa ho romella li tla ba akhaonteng ea hau.
Ee, re etsa linkho tsa khalase joalo ka litlhoko tsa hau, hape, re ka fana ka kalafo e fapaneng: joalo ka khatiso ea skrineng, ho ngola litempe tse chesang joalo-joalo.
Bakeng sa lihlahisoa tsa lihlahisoa, e ka ba matsatsi a 5-15.
Haeba re se na inventory, e ka ba 15-30days ho romela ho ea ka thepa ea rona ea thepa.
Re na le boikarabello bo felletseng ba netefatso ea boleng, re tla leka ka hohle ho ts'ehetsa khoebo ea hau.
Re ka fana ka Mofuta oa 1. II. II lisebelisoa tsa khalase ho latela litlhoko tsa hau.
Mabapi le mofuta oa khalase ea thepa re na le Glass ea Lehae ea China.
(Katoloso ea khalase ea 50 le Katoloso ea 70) le lisebelisoa tsa machaba (Corning & Schott).
Likahare tsa Metale e Boima le Arsenic li ka tlase haholo ho litekanyetso tsa USP le EP.