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