Thaum xaiv whetstone, koj tuaj yeem xav txog cov hauv qab no:
1. Khoom siv: Muaj ntau hom whetstones, xws li ntuj quartz, limestone, ceramic, thiab lwm yam. Quartz whetstones muaj siab hardness thiab haum rau sharpening riam loj xws li txiab thiab riam chav ua noj; limestone whetstones muaj ib qho kev ntxhib los mos thiab tsim nyog rau sharpening me me riam xws li txiv hmab txiv ntoo riam thiab txiab me me; ceramic whetstones muaj ib tug nruj kev ntxhib los mos thiab tsis yuav tsum tau pre-soaking, uas yog haum rau beginners.
2. Particle loj: Qhov loj me me ntawm whetstone txiav txim siab qhov roughness ntawm nws qhov chaw. Cov khoom me me tuaj yeem tau txais qhov chaw smoother, thaum coarser hais tuaj yeem ua kom cov riam nrawm dua. Thaum xaiv qhov loj me me, koj tuaj yeem txiav txim siab raws li cov kev xav tau tshwj xeeb thiab kev paub dhau los.

3. Hardness: Hardness yog ib qho tseem ceeb qhia txog whetstones. Whetstones nrog cov tawv tawv dua tuaj yeem tiv thaiv qhov ntse ntawm riam, tab sis kuj xav tau kev txawj ntse thiab kev paub ntau dua los ua haujlwm. Whetstones nrog qis hardness yog yooj yim rau kev khiav lag luam, tab sis yuav tsum tau hloov ntau zaus.
4. Loj: Qhov loj ntawm whetstone yog txiav txim siab los ntawm kev siv tus cwj pwm thiab kev xav tau. Loj whetstones yog tsim rau sharpening riam loj, thaum me me whetstones yooj yim rau nqa thiab khiav lag luam.
5. Hom thiab lub koob npe nrov: Xaiv cov npe nrov thiab cov tub lag luam muaj npe zoo tuaj yeem lav qhov zoo thiab siv cov pob zeb whetstones. Qee lub npe nrov xws li Ruitai nyiam lub koob npe nrov hauv kev lag luam ntawm whetstones, thiab lawv cov khoom muaj qee qhov kev lees paub ntawm qhov zoo thiab kev ua haujlwm.
Thaum kawg, nws raug nquahu kom kuaj xyuas cov khoom lag luam cuam tshuam thiab cov lus pom zoo ua ntej yuav khoom txhawm rau kom muaj kev nkag siab ntau dua ntawm cov khoom lag luam kev ua tau zoo thiab siv cov teebmeem. Nyob rau tib lub sijhawm, koj yuav tsum tau them sai sai rau kev siv thiab kev saib xyuas ntawm whetstone kom ntev nws lub neej kev pab cuam thiab tswj kom muaj txiaj ntsig zoo.
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