Furthermore, the same parts may be expressed with {TAIL ~ different sizes} and {HEAD ~ ratios} in different drawings 
Furthermore , the same parts may be expressed with { TAIL ~ different sizes } and { HEAD ~ ratios } in different drawings
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH