10.4 Before handing ,First confirm that there is no person and no barriers around , Then slowly handling." " 10.5 Copper foil is harmless, but can't use the tongue lick or chewing. If produce similar circumstances shall be sent to the hospital for a check." 10.6 To avoid products damaged, can not have impact. " 10.7 Remove the packaging with facial protection, gloves and using packing removal tools Before packing ensure there is enough space, and banned by the personnel around." " 10.8 The copper foil that be abandoned, or the waste In the process of production entrust a specialized company for processing. "