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