Sepheo sa tšepe se bua ka thepa e reretsoeng ea likaroloana tse nang le matla a phahameng a matla a nang le tšusumetso. Ho feta moo, ka ho nkela lisebelisoa tse fapaneng tse shebiloeng (mohlala, aluminium, koporo, tšepe e sa jeleng paate, titanium, liphofu tsa nickel, joalo-joalo), litsamaiso tse fapaneng tsa lifilimi (mohlala, li-superhard, tse hanang ho apara, anti-corrosi ...
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