Intamin also marketed the first freefall - experience ( developed by Giovanola ) and the first drop tower . Intamin also marketed the first Freefall ( developed by Giovanola ) experience and the first drop tower .
Intamin juga memasarkan pengalaman freefall pertama (dibangunkan oleh Giovanola) dan menara drop pertama. Intamin juga memasarkan pengalaman Freefall pertama (dibangunkan oleh Giovanola) dan menara drop pertama.