Mixing Tanks Thiab Sau Kab Nkoj Rau Afica

Cov neeg siv khoom no yog cov khoom lag luam loj, lawv yuav 2T hluav taws xob cua sov sib xyaw tank 2pecs rau kev tsim khoom.

Tsis siv neeg filling kab rau cov khoom ua kua