about as long as a regular valve
With regular maintenance/lubrication, indefinitely.
It was popular throughout the 1960s.
They can last to 80 years without being restore.After a certain time (depending were you live) they must be fixed up.
Fort Wayne TinCaps was created in 1993.
There is no clock in baseball and there are no ties. Game can last forever.
It last for about five to ten minutes
Please specify- what football game are you talking about?
The longest game of International cricket is a test match which can last for a maximum 5 days.
A softball game can last an hour to an hour and a half.Maybe longer. it depends on what county/city you are in.