Why Roller Coaster Track is Filled with Sand

For the past century, theme parks all over the world have been battling one another to construct taller, faster, and more exhilarating thrill machines in order to outshine the competition and attract the largest crowds. Driving this battle forward are the engineers and roller coaster designers who have developed innovative ways to build these towering […]

Six months with Harvia. For over 30 years.

I’m Kari Paananen, and I’m a metal worker. I studied metal work at vocational school. Welding has changed in the sense that the equipment is better now. The helmets have respirators, and the fume extractors are better. Otherwise, the welding work is the same. I planned to change trades after six months. I even told […]