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 Rogers Centre, built in 1989 in Toronto, Ontario, cost $600 million Candian. The Toronto Blue Jays of MLB and Toronto Argonauts of the CFL are joint tenants. The Metrodome in Minneapolis was built in 1982 at a cost of $103 million.The Minnesota Twins of MLB and the Minnesota Vikings of the NFL are joint tenants. While only the Seattle Mariners play at Safeco Field, it was opened in 1999 at a construction cost of $517 million.he Metrodome in Minneapolis was built in 1982 at a cost of $103 million. The Minnesota Twins of MLB and the Minnesota Vikings of the NFL are joint tenants. While only the Seattle Mariners play at Safeco Field, it was opened in 1999 at a construction cost of $517 million.