Phukusi ndi kumanga kanasonkhezereka waya

Kugwiritsa ntchito mitolowaya wamalatandi chitukuko cha mafakitale ndi ulimi komanso anakula moyenerera.Choncho, kanasonkhezereka waya mankhwala mu makampani, monga zida mankhwala, processing mafuta, Marine kufufuza, zoyendera, magetsi, shipbuilding, dongosolo zitsulo, etc.), ulimi (monga sprinkler ulimi wothirira, dim chipinda, nyumba (monga madzi ndi mpweya). zoyendera, ma waya, scaffolding, nyumba, etc.), Bridges, shipping, etc., wakhala akugwiritsidwa ntchito kwambiri m'zaka zaposachedwa. zambiri.

Kulongedza ndi kumangawaya wamalataali mu madzi boma nthaka, pambuyo zosokoneza thupi ndi mankhwala kwenikweni, osati pa zitsulo yokutidwa wandiweyani koyera nthaka wosanjikiza, komanso kupanga nthaka-chitsulo aloyi wosanjikiza.
Izi plating njira, osati ali ndi makhalidwe a dzimbiri kukanawaya wamalata, ndi chifukwa cha chitsulo chachitsulo chosanjikiza.Ilinso ndi kukana kwamphamvu kwa dzimbiri zomwe sizingafanane ndi kukokoloka kwamagetsi.Chifukwa chake, njira yokutira iyi ndiyoyenera makamaka mitundu ya asidi amphamvu, chifunga cha alkali ndi malo ena owononga.