Cov neeg siv yuav tsum tau paub txog cov kev paub zoo thaum yuav cov thoob khib nyiab, txwv tsis pub lawv yuav yuav cov khoom tsis ua raws li cov qauv zoo thiab kim. Niaj hnub no, cia peb kawm ntxiv txog nws cov ntsiab lus ntsig txog.
Lub hom phiaj ntawm lub thoob thoob tuaj yeem cuam tshuam cov neeg siv cov kev xaiv. Rau tib yam khoom, tus nqi uas tsis muaj lub cim npe yog twv yuav raug nqi qis dua tus nqi nrog lub cim logo. Txawm li cas los xij, cov neeg siv yuav xaiv cov khoom lag luam nrog lub cim logo. Lub hom tsis tsuas yog muaj lub npe no, tab sis kuj lav qhov zoo thiab kev pab cuam tom qab muag, uas yog kev ntseeg siab. Yog li ntawd, lub hom phiaj yog ib qho tseem ceeb cuam tshuam rau cov nqi khoom.
Cov neeg siv xav paub qhov zoo ntawm lub thoob khib nyiab no thaum ua kev yuav khoom, tab sis lawv tsis paub yuav pib qhov twg. Ua ntej, lawv yuav tsum paub tias kev tsim khoom zoo ntawm txhua qhov chaw tsim khoom sib txawv, thiab qhov tshwm sim ntawm kev tsim cov khoom zoo tib yam yog tsawg heev. Cov neeg siv khoom tuaj yeem xaiv cov khoom tsim nyog rau lawv qhov kev siv tiag tiag raws li lawv tus kheej xav tau.
Cov khoom siv raw khoom siv los tsim cov thawv ntim tau zoo heev thaum tshav kub kub thiab txias, nrog zoo hardness thiab stretchability, zoo rwb thaiv tsev thiab yooj, thiab zoo tshuaj stability. Lawv yuav tsis yaj nyob rau hauv ib qho hnyav ntawm chav tsev kub thiab siv tau los tuav ntau yam kua.
