At that point, the traction force remains constant, and {HEAD ~ further cycling} of ratchet handle 84 merely renews {TAIL ~ the slippage} 
renews
At that point , the traction force remains constant , and { HEAD ~ further cycling } of ratchet handle 84 merely renews { TAIL ~ the slippage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL