A variable which is functionally associated with {HEAD ~ the velocity} of the vehicle, such as the output speed of the transmission, engine speed or velocity of the vehicle itself, is plotted on {TAIL ~ the abscissa} of the diagram 
A variable which is functionally associated with { HEAD ~ the velocity } of the vehicle , such as the output speed of the transmission , engine speed or velocity of the vehicle itself , is plotted on { TAIL ~ the abscissa } of the diagram
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH