Franja

kolút disc, ZDA disk

tór (trenje) tehnika friction; rubbing

tóren friction(-), frictional
tóra elektrika frictional electricity
tóri koeficient coefficient of friction, friction index
tóro kolo friction wheel
tóri ležaj friction bearing
tóri kolut friction disc
tóra ploskev friction surface
tóra sklopka friction clutch
tóra toplota friction heat
tóri upor frictional resistance