Lub qhov rooj hluav taws thiab lub qhov rooj ncej yog ua los ntawm cov hluav taws-resistant ntoo thiab hlau raws li, thiab lub qhov rooj nplooj yog ntim nrog cov tsis muaj tshuaj lom thiab tsis muaj teeb meem hluav taws kub thiab rwb thaiv tsev cov ntaub ntawv. Thiab cov qhov rooj hluav taws yuav tsum tau nruab nrog lub qhov rooj kaw, kaw qhov hluav taws kub, hluav taws kub latches.