UKhenketho lwasefektri

Bonnyinenkqubo egcweleyo yokuvelisa izakhono zokugrumba ii-hydraulic ezinkulu kunye nabaxhuzulayo, kubandakanywa ukuthengwa kwemathiriyeli ekrwada, ukusetyenzwa kwamalungu, ukudibanisa, ukulungisa imveliso kunye nokuvavanya, ukugquma imveliso kunye nokuhanjiswa.