RE:RE:NPV of torches.The main thing about the NPV is that if one talks about a 100 torch sale, nobody should be counting on $700 million revenues for that fiscal year. As for the future revenue stream, you can conceptually compare it with your recommended maintenance schedule when you purchase a new car. There is recommended servicing and some servicing is more extensive than the other based on the age and amount of kilometres driven. Nobody here is in a position to understand what that may look like for a plasma torch...as a matter of fact, even PYR and clients are trying to figure that out best that they can with perhaps some computer simulation providing some guidance.