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