Kagwiritsidwe:
Zogulitsa zimagwiritsidwa ntchito makamaka pakulekanitsa kwamadzi ndi gasi mumafuta, mafakitale amafuta, mafakitale amagalimoto, chitetezo cha chilengedwe.Itha kugwiritsidwanso ntchito pakutchingira kwamagetsi muukadaulo womanga.
Zakuthupi
waya zitsulo zosapanga dzimbiri, kanasonkhezereka chitsulo waya, mkuwa waya, mkuwa waya, nickel waya, titaniyamu waya, aloyi waya etc.
