Code: 4A30.20
Demo Title: Ball And Ring
Subject: Solid Expansion
Description: A ring with a set of two balls, one over and one under size. Heat the ring and slip over both. For large ball and ring use the burner that sits underneath the ball when it is not sitting in the ring. Heat up the large ball with the burner while it is sitting outside the ring. After 2 minutes use the top/middle part of the chain to life it into the ring
Procedure: