Raws li peb txhua tus paub, cov qhov rooj hluav taws muaj qhov zoo ntawm cov rwb thaiv tsev kub, tiv thaiv kev sib kis ntawm hluav taws, thiab tiv thaiv cov pa taws. Thaum muaj hluav taws kub hnyiab, nws tuaj yeem tsim cov kev mob zoo rau kev cawm cov neeg ua haujlwm, khoom vaj khoom tsev thiab vaj tse, thiab txo qhov kev poob qis. Muaj peb hom kev siv hluav taws xob ntau rau cov hluav taws kub rwb thaiv tsev qhov rooj: Qib A (1.5h), Qib B (1.0h) thiab Qib C (0.5h).