Metal having a continual abrasive sample etchech on No.4 merchandise. It is generally useful for developing construction supplies for the two 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 –