通过此零件多工位级进模设计的具体案例，分析工艺设计要点，详细阐述接地插脚模具的工作原理。
By a specific instance of multi-working position progressive die design for this part, critical process design points are analyzed, and the working principle of grounding pin die is stated in detail.
如果是标准二插脚壁装插座，您有责任和义务将其换成接地三插脚壁装插座。
Where a standard 2-prong wall outlet is encountered, it is your personal responsibility and obligation to have it replaced with a properly grounded 3-prong wall outlet.
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