Mattel is a toy company that produces many things, including Barbie dolls, board games, and, in the early 1980's, video game consoles. It started in 1945 by a founder Elliot[?] and Ruth Handler with co-founder Harold Matson[?].
... evasive action towards the externally applied force will cause one end of the axis to push against the upper rim of the groove, while the other end of the axi ...