Metal by using a constant abrasive sample etchech on No.four items. It is usually employed for setting up construction components for equally interior and exterior together with 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