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.
The store on the southwest corner of Suitland and Silver Hill Roads was originally a Safeway grocery store, built in 1944. The Safeway relocated to the shopping center at Silver Hill and Swann Roads in 1960, and then to Penn Station (at the corner of Silver Hill Road and Pennsylvania Avenue) in the 1980s.