Cov saw hlau poob yog qhov feem ntau ua rau cov saw hlau poob thaum caij tsheb kauj vab txhua hnub. Muaj ntau yam ua rau cov saw hlau poob ntau zaus. Thaum kho cov saw hlau tsheb kauj vab, tsis txhob ua kom nws nruj dhau. Yog tias nws ze dhau, nws yuav ua rau muaj kev sib txhuam ntawm cov saw hlau thiab lub tshuab kis. , qhov no kuj yog ib qho ntawm cov laj thawj uas ua rau cov saw hlau poob. Cov saw hlau yuav tsum tsis txhob xoob dhau. Yog tias nws xoob dhau, nws yuav yooj yim poob thaum caij tsheb kauj vab.
Txoj kev sim seb txoj saw hlau puas xoob dhau los yog nruj dhau yog yooj yim heev. Tsuas yog tig lub crank nrog koj txhais tes thiab maj mam thawb txoj saw hlau nrog koj txhais tes. Yog tias nws xav tias xoob heev, kho nws me ntsis. Yog tias nws ze dhau, kho nws. Yog tias lub hau ntswj txwv tsis pub xoob, koj tuaj yeem txheeb xyuas seb txoj saw hlau puas xoob los yog nruj raws li qhov nruj ntawm txoj saw hlau.
Feem ntau cov saw hlau tawg thaum caij tsheb hnyav, siv zog ntau dhau, lossis thaum hloov iav. Cov saw hlau tawg kuj feem ntau tshwm sim thaum tawm ntawm txoj kev. Thaum rub mus tom ntej lossis rov qab los hloov iav, cov saw hlau yuav tawg. Qhov kev nruj nce ntxiv, ua rau cov saw hlau tawg.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-01-2023