Whizzer is the name of two identical roller coasters built for the Marriott Corporation for each of their “Great America” parks at their debut in 1976. One was built in Gurnee, Illinois and the other in Santa Clara, California. Marriott continued to operate both parks until selling them in 1984.

a small, light cone attached to the woofer's apex around the dust cap

A machine, which removes surface wheat from grain after washing by centrifugal force.