original question: Which roller coaster material is used in roller coasters designed by [Vekoma]?
answer: steel
answer type: Roller Coaster Material.
auxiliary information: Vekoma Rides Manufacturing is a Dutch amusement ride manufacturer. It is perhaps most well known for manufacturing several unique roller coaster models, and it currently has created the most roller coasters in the world, with 287 confirmed rides across the globe.
what is the roller coaster material which is used in roller coasters designed by [Vekoma]?