Ib leeg-ob tog yob-sawv sawv ntsug yog lub teeb ci ntsa iab txhuas qauv uas qhov chaw cia khoom thaij nrog cov duab tshaj tawm ib sab ntawm cov sawv ntsug yog ncab dua. Feem ntau, cov qauv no yog siv rau kev nthuav qhia thiab kev ua yeeb yam hauv kev ua yeeb yam thiab cov tsev pheeb suab, thiab rau ntawm cov xwm txheej tshwj xeeb.
Cov cuab yeej tshaj tawm no yuav tsum tau xaiv yog tias qhov chaw me me tau muab rau kev teeb tsa duab nrog cov khoom lag luam lossis cov kev pabcuam. Txawb yob txawb sawv ntsug nrog ib-ib tog chij qhov chaw yog qhov zoo tshaj plaws rau kev tso chaw nyob txhua qhov chaw hauv chav - lawv tuaj yeem ntsia tau yooj yim ob qho tib si ntawm kaum thiab ze rau ntawm phab ntsa. Tib lub sijhawm, daim duab tshaj tawm yuav nco ntsoov nyob rau hauv qhov chaw pom lub hom phiaj. Rau cov khoom lag luam tshaj tawm ntawm txoj kev, tus qauv ntawm ib-ib-yob yob yob sawv ntsug nrog ob sab nrum txhawb nqa ceg, uas muab cov qauv siab kawg ruaj khov, zoo tshaj plaws.
Muaj peev nyiaj tsawg rau kev ua lag luam thiab khoom siv tshaj tawm, nws raug nquahu kom ib leeg ib leeg ntawm cov qauv ntawm kev yob-sawv nrog lub taw rov qab-sawv ntawm lawv lub hauv paus, tuav tus qauv hauv txoj haujlwm ncaj. Rau kev nthuav tawm ntawm kaj thiab pom tshaj tawm kev tshaj tawm, ib qho yuav tsum muab kev nyiam los mus yob sawv nrog cov duab ci laminated kev yees duab, thaum rau qhov ua qauv qhia yooj yooj yim chij nrog matte duab vaj huam sib luag yuav txaus. Txhawm rau nthuav tawm koj cov khoom thiab muab nws cov khoom kim kim, koj tuaj yeem xaiv xaiv ib-ib-txoj kev yob sawv ntsug nrog tus chij ntawm cov ntaub npuag lossis cov duab thaij ua los ntawm cov ntaub tshwj xeeb.
