Kub yog qhov tseem ceeb ntawm lub ntiaj teb kev nyiaj txiag, vim hais tias cov hlau no muaj ntau thaj chaw ntawm kev thov, thiab nws cov peev txheej hauv lub ntiaj teb yog me me. Yog li ntawd, kev yuav cov khoom kub yog qhov kev nyab xeeb peev ntawm koj cov nyiaj. Txawm li cas los xij, nws yuav tsum nkag siab hais tias nyiaj kub yog kub ntawm cov hlau, nws cov khoom tseem ceeb yog nyiaj, kub, tooj. Qhov kub zoo nkauj kub yog hais txog feem pua ntawm cov khoom muaj nqi no hauv cov hlau nplaum. Yog tias koj txiav txim siab kom muaj nqis kub, ntawm no yog qee cov lus qhia.
Cov Lus Qhia
Kauj ruam 1
Nws yog qhov nyuaj rau kev ntsuas kub ntawm koj tus kheej, yog li rau qhov kev kwv yees muaj tseeb ntawm tus nqi ntawm cov nyiaj kub, hu rau lub tuam txhab tshwj xeeb lossis lub khw muag khoom - ib lub koomhaum qiv nyiaj uas tawm nyiaj qiv los ntawm cov khoom ntiag tug, suav nrog cov nyiaj kub. Ntawm no koj yuav tau txais kev sib tham hauv qhov ncauj lossis, yog tias koj xav tau, sau ntawv xav nrog cov duab. Kev ntsuas qhov tseeb yog ua tau yog tias cov cuab yeej siv rau kev ntsuas kub cov khoom, yog li no txoj kev yog qhov zoo tshaj plaws.
Kauj ruam 2
Yog tias koj txiav txim siab ntawm nws tus kheej los soj ntsuam koj cov nyiaj kub, saib cov qauv. Nyob rau hauv Russia, rau cov hniav nyiaj hniav kub kub muaj tsim kev ntsuam xyuas ntawm 375, 500, 583, 585, 750 thiab 958. Lub xub ntiag hauv cov hlau, piv txwv li, 75% ntawm cov nyiaj kub tau raug rau 750 tus qauv. Qhov siab dua ntawm kev coj dawb huv ntawm koj daim nkauj kub, qhov tseem ceeb tshaj nws yog. Lub lag luam tawm nyob rau sab hauv ntawm cov khoom lag luam qhia tau lub chaw tsim khoom, hnub tsim khoom thiab, tau kawg, cov qauv. Tus nqi ntawm ib yam khoom kuj nyob ntawm nws qhov hnyav. Qhov hnyav dua ntawm cov khoom, qhov ntau kub nws muaj, uas txhais tau tias nws muaj txiaj ntsig ntau dua.
Kauj ruam 3
Siv cov txiaj ntsig zoo ntawm cov kws tshaj lij tswv yim los ntsuas lub nplhaib kub. Ntuav nws rau ntawm qhov chaw tiaj, du ntawm qhov siab li ntawm 10-15 cm. Yog hais tias lub nplhaib, tom qab kov lub ntsej muag, bounces nrog lub suab nrov uas tsis tuaj, ces cov khoom no yog qhov zoo. Yog tias, raws li, nws poob muffled, tom qab ntawd nws muaj ib qho seam los ntawm soldering thiab sawv cev tus nqi qis dua.
Kauj ruam 4
Kub los hauv cov xim sib txawv: daj, dawb, liab dawb, thiab xim dub. Nws nyob ntawm qhov sib ntxiv ntawm qee cov ntsiab lus tseem ceeb rau cov nyiaj-kub cov hlau. Nco ntsoov tias qhov kub zoo nkauj ntawm kub tsis cuam tshuam rau nws cov xim, uas txhais tau hais tias nws tus nqi tsis vam khom xim. Qhov nrov tshaj plaws nyob rau hauv xyoo tsis ntev los no tau dhau los ua kub dawb - ib lub pob zeb diamond hlau nrog qhov sib ntxiv ntawm palladium. Cov khoom lag luam ua los ntawm cov alloy yog suav hais tias yog lub npe ua kom nrov npe thiab xaiv cov khoom ntawm cov hniav nyiaj hniav kub siab tshaj plaws.
Kauj ruam 5
Yog tias koj yog tus tswv ntawm cov kub kub yuav nyiaj los ntawm lub txhab nyiaj, txhawm rau ntsuas lawv, koj kuj yuav tsum hu rau tus kws soj ntsuam uas yuav ua tib zoo ntsuas tus mob ntawm lub bullion.
Kauj Ruam 6
Thaum ntsuas lub npib kub, xav txog tus lej nuj nqis ntawm lub npib. Kev sab laj ntawm numismatists yuav pab koj nrog qhov no.
