Steel having a continual abrasive pattern etchech on No.four items. It is mostly utilized for constructing building elements for both inside and exterior together with 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 – Tiê