Qadam 1 Boshlashdan oldin, zargarlik buyumlarini tozalash jarayonida yomonlashishi mumkin bo'lgan har qanday zararni diqqat bilan tekshiring. Ayniqsa, agar sizning oq oltin zargarlik buyumlarida olmos kabi qimmatbaho toshlar bo'lsa, ularning hech biri bo'sh emasligini tekshiring. A stone that wiggles about might become dislodged and lost once submerged in […]
