Steel that has a continuous abrasive pattern etchech on No.4 solutions. It is generally used for creating building components for equally inside and exterior and also for sash, doors, and panels in propertiesTh2 ?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