Steel having a continual abrasive pattern etchech on No.4 merchandise. It is mostly useful for building building products for each interior and exterior together with for sash, doorways, and panels in structuresTh2 ?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