7. A device which can be used for more than one function is, with the reasons of classification, to become handled like its principal function had been its sole objective.Kh? n?ng v?n hành m?nh m? ?em l?i hi?u qu? cao và khi?n công vi?c c?a b?n luôn trôi ch?y.– Hàng v? ??n kho thông báo cho Trung tâm ki?m ??nh xu?ng kho test m?u ho?c ch