Metal by using a steady abrasive pattern etchech on No.4 items. It is mostly employed for making design elements for both of those inside and exterior and for sash, doorways, and panels in structuresTh2 Kh? n?ng ch?ng ?n mòn c?a inox 316L – ??c ?i?m và ?ng d?ng Ch?c n?ng bình lu?n b? t?t ? Kh? n?ng ch?ng ?n mòn c?a inox 316L – ??c ?i?m và