Dowels yog cylindrical pieces ntawm ntoo los yog hlau uas yog siv los koom ob los yog ntau tshaj ntawm cov khoom ua ke. Lawv feem ntau siv hauv kev ua haujlwm ntoo, rooj tog zaum, thiab kev tsim kho.
Txoj cai rau dowels yog tias lawv yuav tsum ib txwm yog tib txoj kab uas hla raws li lub qhov uas lawv yuav haum rau hauv. Qhov no ua kom qhov nruj thiab ruaj ntseg haum uas yuav tuav cov khoom ua ke yam tsis muaj kev txav los yog wobbling.
Lwm txoj cai tseem ceeb rau dowels yog tias lawv yuav tsum sib npaug sib npaug thiab ua kom sib haum kom ntseeg tau tias qhov sib koom ua ke muaj zog thiab ruaj khov. Nws tseem yog ib qho tseem ceeb uas yuav tsum tau siv cov kua nplaum kom raug thiab clamping siab kom ntseeg tau tias qhov sib koom ua ke tau zoo.
Thaum siv kom raug, dowels tuaj yeem muab kev sib koom ua ke muaj zog thiab ruaj khov uas tsis tshua muaj kev poob qis dua li lwm hom pob qij txha. Lawv kuj yog ib qho yooj yim rau nruab thiab tuaj yeem siv rau ntau yam kev siv.
