{HEAD ~ The eccentric discs} 213 are rotated in {TAIL ~ the same direction} and at the same speed as the cranks 223 by the motion of the ring 215, thereby rotating the power shafts 214 
are rotated in
{ HEAD ~ The eccentric discs } 213 are rotated in { TAIL ~ the same direction } and at the same speed as the cranks 223 by the motion of the ring 215 , thereby rotating the power shafts 214
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL 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 OTH OTH