Cov Khoom Siv Txias Txias
Cov tub yees thauj khoom kho mob tau tsim tshwj xeeb los khaws thiab thauj cov tshuaj, cov tshuaj tiv thaiv kab mob thiab lwm yam khoom siv kho mob. Lawv muaj cov rwb thaiv cua sov zoo thiab tswj qhov kub kom tswj tau qhov zoo thiab kev nyab xeeb ntawm cov khoom thoob plaws hauv cov txheej txheem thauj khoom. Cov thawv thauj khoom kho mob feem ntau yog ua los ntawm ob txheej, muaj ob txheej sab hauv thiab sab nraud ntawm cov rwb thaiv kom zoo los thaiv cov nyhuv ntawm kev hloov pauv kub hauv qhov chaw sab nraud rau qhov kub sab hauv. Txheej sab hauv feem ntau yog ua los ntawm cov hlau tsis xeb lossis txhuas alloy, uas muaj cov cua sov zoo thiab tiv taus xeb, thiab yooj yim ntxuav thiab tua kab mob. Cov thawv thauj khoom kho mob kuj muaj cov tshuab hluav taws xob, feem ntau yog roj teeb lossis cov hloov hluav taws xob. Cov tshuab hluav taws xob no muab hluav taws xob ruaj khov rau lub thawv thauj khoom kom ntseeg tau tias kev ua haujlwm zoo ntawm cov txheej txheem tswj kub thiab saib xyuas. Rau kev yooj yim ntawm kev tuav thiab kev txav mus los, cov thawv thauj khoom kho mob feem ntau yog tsim los ua cov thawv nqa tau nrog cov tes tuav thiab log nqa tau. Lawv tuaj yeem yooj yim txav thiab tsav kom yooj yim thaum thauj. Cov thawv thauj khoom kho mob yog cov khoom siv tseem ceeb rau kev thauj khoom kho mob, kom ntseeg tau tias cov tshuaj thiab cov tshuaj tiv thaiv kab mob tswj tau qhov kub thiab zoo ruaj khov thaum thauj. Lawv muaj kev tswj qhov kub thiab txias siab heev thiab kev ua haujlwm rwb thaiv tsev, yooj yim txav mus los thiab nqa, thiab tuaj yeem ua tau raws li qhov xav tau ntawm ntau lub tsev kho mob thiab kev xav tau kev thauj mus los. 
