Trowels tuaj nrog ntau hom hniav, txhua tus tsim los ua haujlwm tshwj xeeb hauv kev siv sib txawv.
Ib cov hniav zoo ib yam yog cov hniav square. Cov hniav no sib npaug sib npaug thiab muab cov qauv zoo ib yam ntawm cov grooves thaum siv. Cov hniav square feem ntau yog siv rau kev ua haujlwm plastering uas xav tau qhov nruab nrab ntawm kev ntxhib los mos thiab adhesion zoo. Lawv ua haujlwm zoo rau kev tsim kom muaj kev sib tw zoo nrog kev ntxhib los mos, haum rau sab hauv phab ntsa. Txawm tias qhov kev faib tawm ntawm cov hniav square pab kom sib npaug ntawm cov khoom siv thiab tsim kom muaj txheej txheej zoo ib yam, thaum tseem ua kom cov plaster tuav lub npoo ruaj khov.
Lwm hom yog daim duab peb sab hniav. Cov hniav daim duab peb sab yog ntse dua thiab tuaj yeem nkag mus rau qhov chaw tob dua. Lawv yog cov zoo heev rau rougher nto los yog thaum xav tau ib tug muaj zog daim ntawv cog lus. Piv txwv li, thaum ua hauj lwm rau sab nrauv pob zeb uas tej zaum yuav ntxeem tau ntau dua los yog tsis sib xws, daim duab peb sab hniav tuaj yeem khawb rau hauv cov crevices me me thiab qhov hws, muab kev tuav zoo dua rau cov plaster lossis mortar. Cov duab no kuj tseem muaj txiaj ntsig zoo rau kev tshem tawm cov xim qub lossis txheej txheej, vim tias cov npoo ntse tuaj yeem txiav thiab nqa cov khoom zoo dua.
Tseem muaj trowels nrog serrated hniav. Cov serrations tuaj yeem sib txawv ntawm qhov loj thiab qhov sib txawv. Cov hniav no zoo heev los tsim kom muaj kev ntxhib los mos. Nyob rau hauv daim ntaub ntawv xws li flooring los yog hniav plasterwork, cov hniav serrated yuav tsim ib tug tshwj xeeb thiab txaus nyiam qauv. Lawv kuj tuaj yeem siv los rhuav tshem cov pob hauv cov khoom hnyav dua, kom ntseeg tau tias daim ntawv thov smoother. Cov qauv tsis sib xws ntawm cov serrations tso cai rau ntau yam kev sib tw hauv kev ua tiav uas tuaj yeem ua tiav.
Tsis tas li ntawd, qee cov trowels muaj cov hniav sib npaug. Cov no yog softer rau saum npoo thiab feem ntau yog siv rau ntau ilv plastering los yog thaum ib tug smoother tiav nrog ib tug zoo nkauj zoo nkauj yuav tsum tau. Cov hniav sib npaug tuaj yeem ua tau zoo rau kev ua haujlwm ntawm qhov chaw uas qhov kev ntxhib los mos ntawm cov hniav ntse yuav tsis xav tau, xws li hauv qee qhov kev ua tiav sab hauv siab.
Zuag qhia tag nrho, cov hniav sib txawv ntawm trowels muaj ntau yam kev xaiv rau cov kws tshaj lij thiab cov neeg nyiam DIY kom ua tiav cov txiaj ntsig xav tau hauv lawv cov phiaj xwm plastering thiab masonry, txawm tias nws yog kev kho yooj yim lossis kev tsim kho kom zoo nkauj.
Peb Cov Khoom
