Exactly, so 100 machine years could be 200 machines running for 6 months, or 10 machines running for 10 years, or 1 machine running for 100 years ;). Well, you

Exactly, so 100 machine years could be 200 machines running for 6 months, or 10 machines running for 10 years, or 1 machine running for 100 years ;). Well, you get the idea.