Chaw nres tsheb barrier rooj vag yog ib feem ntawm kev them nqi nres tsheb. Coma chaw nres tsheb chaw tsim khoom yuav qhia txog yuav ua li cas tswj lub rooj vag thaiv hnub no. Nov yog qee cov lus qhia tseem ceeb rau koj siv.
● Ib txwm siv cov ntaub mos mos los so cov plua plav thiab cov roj stains ntawm lub rooj plaub kom huv si ntawm qhov rooj.
● Tsis tu ncua xyuas seb qhov txuas ntawm pawg tswj hwm puas xoob, kev sib cuag tsis zoo, thiab lwm yam, khaws cov cuab yeej tswj hwm hauv qhov chaw muaj cua thiab qhuav, tsis txhob ntxuav lossis ntub dej, txhawm rau xyuas kom ruaj khov ntawm nws cov kev ua tau zoo thiab txhim kho. kev pab cuam lub neej ntawm cov khoom.
● Tsis tu ncua xyuas cov kev sib txuas ntawm cov khoom sib txuas thiab cov khoom txav ntawm lub turnstile, thiab ceev cov fasteners xoob.
● Tsis tu ncua xyuas lub caij nplooj ntoos hlav tshuav kom paub meej tias lub caij nplooj ntoos hlav tsis tawg lossis tawg.
● Tsis tu ncua xyuas seb lub reducer puas muaj qhov tshwm sim tsis zoo xws li cov roj to.
● Tsis tu ncua xyuas qhov kev sib txuas ntawm qhov system tiv thaiv hauv av kom ntseeg tau tias kev tiv thaiv kev tiv thaiv hauv av.