Metal with a constant abrasive pattern etchech on No.4 products and solutions. It is mostly used for developing construction components for equally inside and exterior and also 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 �