Steel with a constant abrasive pattern etchech on No.4 merchandise. It is usually employed for making development elements for both equally inside and exterior together 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 – T