Lub sijhawm tiv thaiv hluav taws ntawm qhov rooj hluav taws kub yog li ntawm ib nrab teev mus rau peb teev. Lub sijhawm tiv thaiv hluav taws ntawm qhov yooj yim tshaj plaws ntawm Chav Kawm A qhov rooj hluav taws yuav tsum tsis pub tsawg dua 1.5 teev; Lub sijhawm tiv thaiv hluav taws ntawm Chav B qhov rooj hluav taws yuav tsum tsis pub tsawg dua 1.0 teev; Lub sij hawm tiv thaiv hluav taws ntawm Class C qhov rooj hluav taws yuav tsum tsis pub tsawg tshaj 0.5 teev. Thov nrog peb tham txog qhov hluav taws kub qhov rooj uas muaj hluav taws kub ntev dua.

qhov rooj hluav taws,hluav taws ntsuas qhov rooj 90 min,hluav taws qhov rooj 32 × 80, 90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm,hluav taws pov thawj qhov rooj European tus qauv,hluav taws ntsuas qhov rooj 60 min,hluav taws qhov rooj 20 feeb,90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm,ob chav sash nrog ncej & sash tsau wit,hluav taws ntsuas qhov rooj 90 min,hluav taws qhov rooj, hluav taws kub ntsuas qhov rooj 5000mm,90mins hluav taws ntsuas ntoo qhov rooj 4.5 pob khawm,hluav taws ntsuas qhov rooj 60 min,hluav taws qhov rooj pd 30, hluav taws kub qhov rooj ntoo,hluav taws ntsuas qhov rooj 90 min,hluav taws kub rwb thaiv tsev qhov rooj,hluav taws ntsuas qhov rooj 60 min