A keyhole saw yog qhov ntev, nqaim saw siv los txiav me me, feem ntau ua tau txawv txawv hauv ntau yam khoom siv hauv tsev. Feem ntau muaj ob hom ntawm keyhole pom: hom hniav ruaj khov thiab hom retractable hniav.
lub qhov rooj saws siv yog dab tsi?
Keyhole saw: Kuj tseem hu ua jab lossis compass pom, lub cuab yeej lub qhov tseem ceeb muaj qhov taw tes zoo li dag ntawm qhov kawg ntawm cov hniav txhawm rau txhawm rau cov khoom muag xws li phab ntsa qhuav thiab vaj huam sib luag. Lub saw tuaj yeem txiav cov duab me me hauv cov phab ntsa ntub dej, plywood thiab ntoo.
Vim li cas thiaj hu ua lub qhov rooj?
Vim li cas thiaj hu ua Keyhole Saw? Lub handsaw no tau txais lub npe vim qhov me me ntawm cov hniav ntev zoo ib yam li qhov me me ntawm lub qhov tseem ceeb thiab yog qhov zoo tshaj plaws rau kev txiav txiav Koj tuaj yeem ntxig cov hniav me me rau hauv qhov me me xws li ntxig tus yuam sij rau kev txiav koj tus qauv tsim.
Dab tsi yog lwm lub npe rau lub qhov rooj pom?
A keyhole saw (tseem hu ua a pad pom, alligator saw, jab saw lossis drywall saw) yog qhov ntev, nqaim saws siv rau txiav me me, feem ntau ua tau txawv txawv hauv ntau yam khoom siv tsev.
handsaws yog dab tsi?
Hauv kev ua ntoo thiab ntoo, tes saws, tseem hu ua "vaj huam sib luag", yog siv los txiav cov ntoo ua ntau yam. … Lub tes pom me ntsis zoo li ib tug tenon saw, tab sis nrog ib tug ca, ntse ntug. Handsaws tau nyob ib ncig ntawm ntau txhiab xyoo.
