There are no records to demonstrate that the process line filters are being replaced after the manufacture of a product or between product campaigns to prevent cross contamination. 沒有記錄可以證明在一個產品的生產完成後或在不同產品生產連續生產中更換過生產線過濾器以防止交叉污染。
The powdered milk is packed under ultra-violet rays to prevent any possible contamination. 奶粉是在紫外線下包裝的，以防沾染細菌。
The major problem in fabrication is the control of contamination and foreign materials. 製造中的一個主要問題是如何控制沾染和雜質。
Prevent stern red anthema and cross infection. 可避免交叉感染。
Acupuncture needles need to be disinfected, or there will be cross infection. 針灸用的藥針需要消毒，不然會交叉感染。
