1.Lifting system: Kuti usimudze uye udzikise midziyo yekuchera, shandisa casing, kudzora uremu hwekuchera, uye kudyisa zvishandiso zvekuchera, zvigadziro zvekuchera zvakagadzirirwa nekusimudzira.Iyo yekusimudza sisitimu inosanganisira mawinchi, anobatsira mabhureki, cranes, mabhuroko ekufambisa, hoko, tambo dzewaya, uye var ...
Verenga zvimwe