How old do you have to be to buy spray paint in washington state?

Cost and benefit in economic example

Every day at coat tech, bill sands down cars and then brian removes the dust. next, loni sprays primer on them, and katie sprays paint and a topcoat on them. finally, lyle dries the cars and polishes them. each person is the best team member at performing the job he or she does. coat tech’s workers have interdependence.

What would you call a political system that is only meant to last for a short time