Assertion: roller coaster | /r/HasProperty | built
Facets:
value: usually
type: DEGREE
value: during the 1920s
type: TEMPORAL
value: according to strict standards
type: OTHER
Source sentences:
text: they are also well understood by physicists, so roller coasters are built according to strict standards that keep them well within safe levels.
text: Today, tubular steel tracks and polyurethane wheels allow coasters to travel over 100 miles per hour (160 km/h), while even taller, faster, and more complex roller coasters continue to be built.
text: The next shuttle roller coaster to be built was Backety-Back Scenic Railway, built in 1909.
text: The Golden Age Coaster award, a prequel to the Roller Coaster Landmark award, was established to recognize significant roller coasters that were built during the 1920s.
text: The area where the roller coaster will be built has to be cleared and prepared.
text: Roller coasters are usually built when the amusement park is closed for the season.
text: Rumors of a new roller coaster being built at Busch Gardens Tampa Bay began to circulate after a roller coaster enthusiast emailed the park and received a response saying that a roller coaster would be built.
text: Most modern roller coasters are made of steel, although wooden roller coasters are still being built along with hybrids of steel and wood.
text: Both Revolution and Roaring Rapids were temporarily closed in order for the roller coaster to be built.
text: With the opening of Great American Revolution in 1976, Magic Mountain became the first park in the world to have a modern, 360-degree steel looping coaster (though previous roller coasters with loops had been built and dismantled elsewhere due to safety issues).