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