Metal having a continual abrasive pattern etchech on No.4 items. It is usually employed for building design supplies for both of those interior and exterior along with for sash, doors, 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 – Tiêu c