Txhawm rau kom lub tshuab ziab khaub ncaws ua haujlwm zoo, muaj qee cov kauj ruam yooj yim uas tus neeg tsav tsheb yuav tsum ua raws. Qee cov ntsiab lus uas yuav tsum tau ua tib zoo mloog yog:
Kev faib tawm tsis sib xws tuaj yeem ua rau cov txheej txheem tsis txaus, lub tshuab txiav yuav tsum xyuas tias cov scraper raug kho kom raug lossis yog tias muaj kev hnav tuaj yeem kuaj pom. Kev tshuaj xyuas ib ntus yuav tsum tau txiav txim siab yog tias tag nrho cov saum npoo yog coated, txwv tsis pub lub scraper yuav hnav qhov chaw thaum tsis muaj txheej.
Kev hnav tsis sib xws ntawm cov hniav qhia tau hais tias muaj teeb meem nrog cov txheej lossis hnav tsis tsim nyog. Qhov profile ntawm lub scraper yuav tsum tau ua raws li qab lub tshuab ziab khaub ncaws kom hnav txawm tias.
Thaum lub npoo npoo hnav yuav tsis cuam tshuam ncaj qha rau kev tsim khoom, nws yuav ua rau muaj qhov tsis tsim nyog ntawm cov khoom siv uas yuav tsum tau muab tshem tawm ntawm phab ntsa tshuab ziab khaub ncaws rau lwm zaus koj rov ua dua kom tau txais qhov tseeb ntawm cov yas nkhaus.
