Nws cov hluav taws ua kom haum yog tib yam li cov khoom siv tshuaj tua hluav taws.
Thaum siv, feem ntau ntawm ob tug neeg ua haujlwm, thawj lub tua hluav taws tso sai sai rau qhov hluav taws kub, ntawm qhov ntev ntawm 10 mias ntawm qhov taw tiv thaiv kom nres, los ntawm ib tug neeg cam hose, tuav lub ntau nrog ob txhais tes thiab tsom rau ntawm lub cub tawg; lwm sab ua ntej yuav tsum tig lub log, cov ntsia hlau sawv mus rau qhov chaw siab tshaj plaws, kom lub hau qhib, thiab tom qab ntawd tus cylinder rov qab los rau hauv av, kom lub siab ntiv tes, thiab lub vaub tes tuav txoj haujlwm 90 degrees, ua npuas dej rau hluav taws. Yog tias lub plhaub ntim rau ntawm rab phom cov tshuaj, lub valve yog qhib los ntawm tus neeg lub luag hauj lwm rau kev khiav hauj lwm ntawm rab phom.
Lub khaub-muag hom ua npuas hluav taws xob yog siv tib yam li cov khoom siv hluav taws xob tua hluav taws rau hluav taws thiab siv.