{HEAD ~ A lifting mechanism} for a head member of a pipe bender includes {TAIL ~ a connecting block} and an oil cylinder 
includes
{ HEAD ~ A lifting mechanism } for a head member of a pipe bender includes { TAIL ~ a connecting block } and an oil cylinder
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH