2) lubrication. The Columbia Encyclopedia, Sixth Edition. 2001
...Types of LubricantsLubricants can be classified by their origin-animal (e.g., sperm oil, goose grease), vegetable (e.g., soybean oil, linseed oil), or mineral (e.g.,...

3) diving, springboard and platform. The Columbia Encyclopedia, Sixth Edition. 2001
...The earliest recorded major diving competition took place in 1871 off the London Bridge. Since then diving has become part of most aquatic meets and is a U.S. intercollegiate...