Dec 7, 2010 #1 Y Yasmin Member Joined Jun 27, 2008 Messages 41 Reaction score 0 Points 6 i have to do this project thing and i don't know what sort of developments in science and technology roller coasters and also the jobs and careers it involved ?
i have to do this project thing and i don't know what sort of developments in science and technology roller coasters and also the jobs and careers it involved ?