A crankshaft 1 wherein said {HEAD ~ crankshaft body} is {TAIL ~ steel} and said balancer weights are iron 
is
A crankshaft 1 wherein said { HEAD ~ crankshaft body } is { TAIL ~ steel } and said balancer weights are iron
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH