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.
Below is an advertisement. Safeco Field. Since the Inaugural Game on July 15, 1999, Safeco Field has gained a reputation locally, regionally and nationally as a terrific setting for baseball and a great place for baseball fans.