Cov rooj tua hluav taws nrog rau cov khoom siv hluav taws yog ib feem ntawm cov hluav taws tiv thaiv hluav taws hauv lub tsev lossis lub tsev uas ua ib thaj chaw kom nyab xeeb li nws tuaj yeem ua rau hluav taws. Nws yog lub npe hu ua kev tiv thaiv hluav taws kub. Cov qhov rooj hluav taws kub thiab kho vajtse tau tsim kom muaj cov cua sov tiv taus thiab tiv thaiv cov hluav taws los ntawm kis rau lub sijhawm. (3 teev, 1 ½ teev, ¾ teev lossis 20 min.) Cov hluav taws kub thiab cov kho vajtse tau raug sim thiab ntawv pov thawj rau cov nplaim hluav taws xob. Cov koom haum tau txiav txim siab ntau tshaj plaws yog cov neeg soj ntsuam lub chaw soj nstuam, Inc. (UL) thiab ua suab nrov (wh).
