Qhov zoo ntawm cov iav iav kom zoo nkauj ntim tsuas yog suav nrog cov hauv qab no:
Kev Nyab Xeeb: iav fwj yog cov tsis muaj tshuaj lom thiab tsis muaj kev puas tsuaj, thiab yuav tsis hnov tshuaj nrog cov tshuaj pleev ib ce. Tshwj xeeb tshaj yog rau cov tshuaj pleev ib ce roj, cov raj mis yuav tsis ua rau cov tshuaj yas, yog li ua kom muaj kev ua kom huv thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce. Ib qho ntxiv, cov tshuaj tshuaj ntawm cov iav ntim tau ruaj khov thiab tsis yooj yim rau kev nkag mus, uas tau txais txiaj ntsig zoo ntawm cov tshuaj pleev ib ce.
Pob tshab: Cov fwj iav muaj siab transparency thiab tuaj yeem qhia meej cov xim thiab kev ntxhib los mos ntawm cov tshuaj pleev ib ce. Lawv yog qhov tsim nyog tshwj xeeb rau cov yeeb yuj thiab pob tshab khoom xws li cov mem pleev di ncauj thiab ntsia thawv polish, ua rau lawv saib kom zoo nkauj dua.
Cov tshuaj tua kab yooj yim: iav fwj yog qhov yooj yim dua rau cov tshuaj tua kab mob yas dua li cov hwj yas, thiab kev tua kab mob zoo dua. Cov iav yog qhov kub thiab tuaj yeem tiv taus ntxuav thiab ci, thaum cov hwj yas yuav deform lossis tso cov khoom muaj teeb meem ntawm cov khoom kub.
Kev tiv thaiv ib puag ncig: Cov fwj iav tuaj yeem siv dua thiab rov ua cov nqi ntim khoom lag luam thiab muaj txiaj ntsig zoo rau kev tiv thaiv ib puag ncig.
Tshuaj lom neeg ruaj khov: iav fwj muaj cov pa roj khov kho kom zoo, thiab corroding cov khoom hauv lub raj mis, thiab tiv thaiv cov khoom siv volatile ntawm cov khoom sab hauv los ntawm volatilizing. Ntau yam ntawm daim ntawv thov: iav fwj yog haum rau ntau hom tshuaj pleev ib ce, thiab lwm yam, Ntsia Cov Khaub Ncaws, cov tshuaj tiv thaiv cov ntsej muag, cov tshuaj tsw qab, cov tshuaj kho kom zoo: du thiab khov.
