Metal that has a continuous abrasive sample etchech on No.4 products and solutions. It is generally utilized for building design products for the two interior and exterior and for sash, doorways, and panels in buildingsTh2 ?ng vi sinh dùng trong th?c ph?m – Tiêu chu?n và ?ng d?ng Ch?c n?ng bình lu?n b? t?t ? ?ng vi sinh dùng trong th?c ph?m