IFAN nruj heev rau kev soj ntsuam cov khoom thiab tau nqis peev ntau hauv kev tswj kom zoo. Hais txog tooj dag valve khoom, tshwj xeeb tshaj yog lub kaum sab xis valve, ob lub kaum sab xis valve, chav ua noj faucet, mixing valve, ib qho dej txias faucet thiab lwm yam. Txhua yam khoom raug kuaj xyuas ua ntej xa khoom kom tshem tawm cov dej ntws tawm. Zoo zoo ifan ua, txais tos paub peb, koom tes nrog peb! Tsuas yog xav tias dawb hu rau peb :)
