A lifting apparatus having {HEAD ~ a least one set} of {TAIL ~ paired stretchable boom assemblies} which extend and contract, preferably in five stages 
A lifting apparatus having { HEAD ~ a least one set } of { TAIL ~ paired stretchable boom assemblies } which extend and contract , preferably in five stages
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH