Thekiso e Chesang

Re mofani oa thepa ea boleng bo holimo le likarolo tse sebetsitsoeng tsa tungsten, molybdenum, tantalum, le niobium refractory. Lihlahisoa tsa rona li kenyelletsa haholo-holo vacuum covering, lionto tsa mocheso o phahameng, photovoltaic, li-semiconductor le liindasteri tse ling. Re thabela ho thusa bareki ho rarolla mathata afe kapa afe, ka kopo ikopanye le rona hang-hang.