e/Super Ball

Information
has gloss	eng: SuperBall (originally Super Ball) is a toy, invented by Norman H. Stingley<ref name="sci&golf"/> in 1965, and manufactured by Wham-O. It is an extremely elastic ball made of Zectron, which contains the synthetic rubber polymer polybutadiene, as well as hydrated Silica, zinc oxide, stearic acid, and other ingredients<ref name="sci&golf"/> vulcanized with sulfur at a temperature of 165 degrees Celsius and at a pressure of 80 atmospheres. The Super Ball has an amazingly high coefficient of restitution.<ref name="cross1"/><ref name="MacInnes1"/> Dropped from shoulder level, Super Ball snapped nearly all the way back; thrown down, it could leap over a three-story building.
lexicalization	eng: Super Ball
instance of	e/Ball