The fulcrum extends across the width of {TAIL ~ the leaf spring} to enable {HEAD ~ force} to be transmitted between the fulcrum and the leaf spring across substantially the entire width of the leaf spring 
The fulcrum extends across the width of { TAIL ~ the leaf spring } to enable { HEAD ~ force } to be transmitted between the fulcrum and the leaf spring across substantially the entire width of the leaf spring
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH