Cov fwj tshuaj tsw qab feem ntau yog tsim los ntawm iav uas muaj zog thiab muaj zog dua li iav zoo tib yam. Hom iav no hu ua "flint iav" thiab feem ntau yog siv rau cov fwj tshuaj tsw qab siab. Flint iav yog tsim los ntawm cov silica zoo dua thiab muaj zog tiv thaiv kev tawg ntau dua li iav zoo tib yam.
Flint iav feem ntau yog tuab thiab kim dua li iav zoo tib yam, tab sis nws kuj tseem tiv taus qhov cuam tshuam thiab siab. Hom iav no feem ntau siv rau cov khoom kim thiab high-end vim nws exudes ib qho kev xav ntawm khoom kim heev thiab zoo. Kev siv cov iav flint rau lub raj mis naj hoom pab khaws cov khoom muaj txiaj ntsig thiab muaj txiaj ntsig ntawm cov naj hoom, thaum tseem tuav nws qhov kev pom zoo.
Ntxiv nrog rau flint iav, qee lub fwj tshuaj tsw qab kuj tseem tuaj yeem tsim los ntawm lwm hom iav, xws li iav siv lead ua los yog lead iav. Cov iav no muaj qhov ntsuas siab dua refractive, uas ua rau muaj qhov ci ntsa iab thiab pob tshab. Lawv kuj tseem tiv taus khawb thiab chipping. Txawm li cas los xij, lawv feem ntau kim dua thiab hnyav dua li iav flint, ua rau lawv tsis haum rau qee qhov kev siv.
Thaum nws los txog rau kev xaiv ntawm iav rau lub raj mis naj hoom, muaj ntau yam los xav txog. Qhov loj thiab cov duab ntawm lub raj mis, lub hom phiaj siv, thiab tag nrho cov kev xav thiab cov duab ntawm cov khoom yog txhua yam tseem ceeb uas yuav tsum tau coj mus rau hauv tus account. Cov tuam txhab naj hoom feem ntau ua haujlwm nrog cov tuam txhab iav los tsim cov fwj ua kev cai uas phim lawv cov duab thiab cov khoom yuav tsum tau ua.
Cov fwj tshuaj tsw qab feem ntau yog tsim los ntawm cov iav flint, uas muaj zog dua, muaj zog dua, thiab tiv taus kev tawg dua li iav zoo tib yam. Hom iav no feem ntau siv rau cov khoom siv high-end vim nws exudes ib qho kev xav ntawm khoom kim heev thiab zoo.
Lwm hom iav, xws li siv lead ua los yog txhuas siv lead ua, kuj tseem siv tau rau qee daim ntawv thov vim lawv qhov ci ntsa iab thiab muaj zog tiv thaiv khawb thiab chipping.
Txawm li cas los xij, cov ntaub ntawv no feem ntau kim dua thiab hnyav dua, ua rau lawv tsis haum rau qee qhov kev siv. Thaum xaiv cov iav rau cov fwj tshuaj tsw qab, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov loj, zoo li, xav siv, thiab tag nrho cov kev xav thiab cov duab ntawm cov khoom kom ntseeg tau tias lub ntim ruaj khov thiab kav ntev uas khaws cov khoom muaj nqis thiab tus nqi ntawm cov tshuaj tsw qab.
