RPM is the acronym used for revolutions per minute. It measures the number of revolutions completed in one minute around a fixed axis, giving the speed of a mechanical component. It is commonly used to describe the performance of automobile engines.
Like most ballparks built from the 1990s onward, Safeco Field is a 'retro-modern' style ballpark that incorporates many of the features of ballparks built in the 1950s and earlier with modern amenities.
In 1964, the Texas Department of Public Safety designated Waco as the site for the state-designated official museum of the legendary Texas Rangers law enforcement agency founded in 1823. In 1976, it was further designated the official Hall of Fame for the Rangers and renamed the Texas Ranger Hall of Fame and Museum.