The cusp is formed by embossing, without cutting through material, so as not to create {HEAD ~ free cut edges} that would be vulnerable to {TAIL ~ corrosion}, and so as to prevent the introduction of a plug contact from being impaired by skewed contact preopening spacer elements 
vulnerable to
The cusp is formed by embossing , without cutting through material , so as not to create { HEAD ~ free cut edges } that would be vulnerable to { TAIL ~ corrosion } , and so as to prevent the introduction of a plug contact from being impaired by skewed contact preopening spacer elements
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH