Li entsoe ka tšepe ea carbon.Li entsoe ka tšepe ea # 45 kapa # 60 tšepe.Li sebetsoa ka ho taka terata, annealing, ho etsa lipekere, ho tima le lits'ebetso tse ling, li thata.Mosebetsi oa eona ke ho khokhothela linthong tse thata tseo lipekere tse ling li ke keng tsa li khona, hobane thepa e fapane haholo le lipekere tse tloaelehileng, whick ke ea lipekere tse khethehileng.Ho thatafala ha lipekere ke larde e teteaneng le e khutšoanyane, 'me bokhoni ba ho phunyeletsa bo matla haholo.