Thus, the oil filling device may accommodate various heights and angles of oil filling hole of {TAIL ~ engine} and allows filling of oil into {HEAD ~ the engine} to be conducted in a smoother manner 
Thus , the oil filling device may accommodate various heights and angles of oil filling hole of { TAIL ~ engine } and allows filling of oil into { HEAD ~ the engine } to be conducted in a smoother manner
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH