політ з огинанням рельєфу місцевості; політ із виконанням серії `гірок`
roller-coaster maneuver
coaster flight
coaster
coaster brake
coaster trajectory
coaster transportation service
coaster-uр
bearing roller
cam roller
mine-clearing roller (MCR)
roller assembly
roller beam
support roller
rocker arm roller
traveling roller
cam roller pin
mine-clearing roller disc
tank-propelled mine-clearing roller
roller fairlead
annular wide roller bearing
barrel roller
barrel shaped roller
bogie roller ball bearing
cam and double roller
clutch roller pin
wobbled roller
worm and roller
double-tapered roller bearing
vertical lever roller
feed rod roller
barrel roller bearing
roller bearing