{HEAD ~ An oil filling device} includes an oil filling funnel, an extendable tube assembly, {TAIL ~ a direction adjustment assembly}, and a coupling assembly 
includes
{ HEAD ~ An oil filling device } includes an oil filling funnel , an extendable tube assembly , { TAIL ~ a direction adjustment assembly } , and a coupling assembly
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH