Qhov sib txawv ntawm qhov hluav taws kub tsis kam ntawm qhov rooj hluav taws: lub qhov rooj hluav taws tau muab faib ua A, B, C, uas yog qhov kev tiv thaiv hluav taws kub ntawm lub qhov rooj hluav taws, uas yog, lub sijhawm hluav taws kub, tus qauv tam sim no yog kev tiv thaiv hluav taws. lub sij hawm tsis tsawg tshaj 1.5 teev, chav kawm B tsis tsawg tshaj 1.0 teev, chav kawm C tsis tsawg tshaj 0.6 teev.

chav tsev hluav taws nyob qhov rooj,Internal hluav taws qhov rooj, Textured Internal hluav taws qhov rooj prehung,loj 9 × 21 los yog 10 × 21 hluav taws nyob qhov rooj,cua nruj steel hluav taws nyob qhov rooj,ob qhov rooj hluav taws nyob,sab nraud hluav taws qhov rooj, hluav taws nyob qhov rooj nkag,chav tsev hluav taws nyob qhov rooj,ob nplooj ntawv hluav taws nyob qhov rooj,loj 9 × 21 los yog 10 × 21 hluav taws nyob qhov rooj,90 feeb hluav taws qhov rooj kho vajtse,ob qhov rooj hluav taws nyob,stainless hlau qhov rooj hluav taws ntsuas,chav tsev hluav taws nyob qhov rooj,ob chav kab hlau rhuav hluav taws xob qhov rooj dov tshuab,loj 9 × 21 los yog 10 × 21 hluav taws nyob qhov rooj,ob qhov rooj hluav taws nyob