Kev txheeb xyuas qhov tseeb rau cov zaub mov ntim cov hnab yas

Cov hnab yas ntim khoom noj feem ntau yog siv hauv tib neeg lub neej txhua hnub, tab sis yuav tsum tau ceev faj thaum siv lawv. Qee lub hnab ntim cov hnab yas muaj tshuaj lom thiab tsis tuaj yeem siv ncaj qha los khaws zaub mov.
1, Kev soj ntsuam txoj kev nrog ob lub qhov muag
Cov hnab yas uas tsis muaj tshuaj lom yog xim dawb, pob tshab lossis pob tshab me ntsis, nrog cov qauv zoo nkauj; Cov hnab yas muaj tshuaj lom muaj xim lossis dawb, tab sis muaj qhov tsis zoo, muaj huab, muaj qhov tsis sib xws ntawm qhov ncab, thiab muaj cov khoom me me.
2, Mloog koj lub pob ntseg
Thaum tuav lub hnab yas hnyav nrog koj txhais tes, lub suab nrov qhia tau hais tias nws yog lub hnab yas tsis muaj tshuaj lom; Thiab ib qho uas tsis tshua muaj suab nrov yog lub hnab yas muaj kuab lom.
3, Kov nrog koj txhais tes
Kov qhov saum npoo ntawm lub hnab yas ntim nrog koj txhais tes yog du thiab tsis muaj tshuaj lom; Cov plaub hau nplaum, astringent, thiab waxy plaub hau yog tshuaj lom.
4, Ua pa nrog koj lub qhov ntswg
Cov hnab ntim khoom tsis muaj tshuaj lom yog tsis muaj ntxhiab; Txhua yam uas muaj ntxhiab tsw los yog txawv txav yog tshuaj lom.
5, Submerged xeem txoj kev
Muab lub hnab yas tso rau hauv dej, nias rau hauv qab nrog koj txhais tes, tos ib pliag, qhov uas ntab mus rau saum npoo yog lub hnab yas uas tsis muaj tshuaj lom, thiab qhov uas tso rau hauv qab yog cov yas uas muaj tshuaj lom. hnab ntim khoom.
6, combustion txoj kev
Cov hnab yas tsis muaj tshuaj lom yog cov nplaim taws, nrog cov nplaim daj daj thiab qee qhov chaw tshwm xiav. Thaum kub hnyiab, lawv drip zoo li tswm ciab kua muag thiab muaj ib tug paraffin tsw; Cov hnab yas muaj tshuaj lom tsis yooj yim rau hlawv thiab yuav tua tam sim ntawd thaum ignition. Cov nplaim taws yog daj lossis dub, thiab hauv qab yog ntsuab. Lawv muag muag thiab tuaj yeem txhuam tau, thiab cov ntxhiab tsw ntxhiab tuaj yeem hnov ​​​​qab.