1. Mark hpe jep yu u .
Tengman ai 925 gumhpraw mawn sumli ai arai ni hpe kata kaw "S925," "925," shing nrai "Ag925" ngu ka da na re. Ndai gaw mungkan ting masat da ai sterling gumhpraw ngu ai mying rai nga ai. Dai masat kumla hpe n mu lu ai (sh) n-gun n rawng ai rai yang, sadi ra ai.
2. Color hpe yu yu u .
925 gumhpraw gaw htoi tu ai hpraw ai raitim, platinum hta loi mi nsam hpraw ai. Dai nsam gaw grai htoi tu ai (stainless steel zawn) shing nrai grai hpraw ai (copper zawn) rai yang, dai gaw masu ai rai na re.
3. Magnet hpe chyam yu ai
Gumhpraw gaw-magnetic n re ai nlung rai nna, magnet hpe n hkap la na re. Jewelry ni hpe dai hpe ra sharawng ai rai yang, dai hta magri zawn re ai awu asin ni lawm nna, san seng ai gumhpraw n re ai gaw teng sha re.
4. Nitric Acid hpe chyam yu na (Sadi maja let matut galaw u)
Nitric acid ntsin langai mi hpe n mu lu ai shara kaw tawn da u. Teng man ai gumhpraw gaw hpraw tu wa na rai tim, shi a htoi tu ai hpe naw tawn da na; gumhpraw masu gaw nsam hpraw (sh) n-gun yawm mat chye ai. Raitim, ndai ladat gaw, mawn sumli ai arai ni hpe hkra machyi shangun ai majaw, hpaji rawng ai wa kaw galaw shangun na matu hpaji jaw da ai.
5. Nsen hpe madat yu u .
Jewelry hpe shim lum ai hku jahkrat kau u. Gumhpraw tengman ai gaw, nsen n pru ai, -bouncy n re ai nsen hpe shapraw na rai nna, gumhpraw masu (silver-plated alloy zawn re ai) gaw, nsen n pru ai, nsen n pru ai hpe shapraw na re.
