Manual application of a push type force to a handle actuates a cumulative timer circuit for recording {TAIL ~ the elapsed time} at which {HEAD ~ an exerted force} exceeds a pre established threshold force 
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Manual application of a push type force to a handle actuates a cumulative timer circuit for recording { TAIL ~ the elapsed time } at which { HEAD ~ an exerted force } exceeds a pre established threshold force
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH