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Medical While coat contamination increases progressively with the duration of use, there are no guidelines on how frequently medical white coats should be changed. The purpose of our study was to examine the turnover of individual batch of medical white coats in a university hospital.http://www.shandongzhongkang.c....om/hospital-supplies

On the other hand, customers in fast food restaurants and self-service diners can easily carry their food to their tables once they have finished ordering. In this way, the staff can separate orders by placing them on trays and serving them on the counter. Once the customer picks up their own tray, they’re good to go.http://www.reexong.com/paper-c....up-machine/coffee-cu