Hom kev raug kauv bevel iav teev feem ntau yog siv hauv cov npav qag, feem ntau hauv cov log tsheb rov qab tsav tsheb, SUVs thiab cov tsheb lag luam. Qee lub npav hluav taws xob yuav siv tau. Tus qauv tsim thiab kev ua cov iav hom no yog cov nyom ntau dua. Tam sim no, nws yog feem ntau ua los ntawm gleason thiab oerlikon. Qhov no hom iav tau muab faib ua ob hom: sib luag ntawm cov hniav kom sib luag thiab muab cov hniav tawv. Nws muaj ntau yam zoo xws li kev sib kis hnyav, cov kis tau ncaj, thiab kev ua tau zoo nvh. Vim tias nws muaj cov yam ntxwv ntawm offset kev deb, nws tuaj yeem suav hais txog hauv av clearance ntawm lub tsheb txhawm rau txhim kho kev sib tw muaj peev xwm ntawm lub tsheb.