{TAIL ~ The invention} relates to a method of controlling a transmission ratio of {HEAD ~ a continuously variable toroidal transmission} 
{ TAIL ~ The invention } relates to a method of controlling a transmission ratio of { HEAD ~ a continuously variable toroidal transmission }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD