Cov ntshav sau rab koob sib dhos tshuab siv rau cwj mem hom ntshav sau koob khoom sib dhos. Nws yog tag nrho tsis siv neeg. Kev ua haujlwm yooj yim & nyab xeeb nrog tus kheej PLC & HMI tswj, tsuas yog xav tau 3-4 tus neeg ua haujlwm tuaj yeem khiav tag nrho cov kab zoo. Piv nrog rau lwm cov tuam txhab, peb cov ntshav sau koob txhaj tshuaj tshuab muaj me me tag nrho qhov ntev, ruaj khov thiab txawj ntse khiav, txo qis tus nqi thiab tu nqi, thiab lwm yam.