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