Everything may be very useful. But for toys, some important test must be done very frequently, for example, tentison, torque, drop,aging......and so on,you should know these standards. Besides, you must know some safety standards, that is most important. Plug, for different toys, it may have other special requirements. We should know too. if you grasp these, you can do your job!!
发表于 2007-10-31 15:45:58
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发表于 2007-10-31 22:39:43
