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Inverted impulse roller coaster

form of roller coaster manufactured by Intamin

Pronunciation
/ˌɪnˈvərtɪd ˈɪmˌpəls ˈroʊlər ˈkoʊstər/
/ˈɪnvəːtɪd ˈɪmpʌls ˈrəʊlə ˈkəʊstə/