⒈avoid cov menyuam tau them los ntawm cov khoom siv, ua rau muaj kev sib hloov, xyuam xim rau ntawm lub conveyor siv, tab sis tsis txhob roj tus siv khoom siv conveyor;
⒉Prevent Tus Conveyor siv thauj los ntawm pib;
Progressor siv kev phom sij tshwm sim, thiab ntsuas yuav tsum tau coj los kho nws raws sijhawm;
⒋ Thaum nws pom tias txoj siv tawv congor yog ib nrab, thov kom kho roj hmab kho kom zoo dua qub lossis roj hmab roj hmab kho kom tsis txhob muaj kev nthuav dav;
Tiv thaiv kev siv khoom ntawm testor los ntawm raug thaiv los ntawm cov ncej, ncej lossis thaiv cov khoom, thiab tiv thaiv nws los ntawm kev tawg thiab ntuag.
