“Water is also used in the manufacture of gasoline” does that mean I shouldn’t drink water? There are many innocuous products used as ingredients in dangerous products. This shouldn’t be used in the discussion concerning the safety of either product. https://en.wikipedia.org/wiki/Chemopho...
So does building new production lines. Cost per unit can often sound higher because it’s the total cost including replacement parts and maintenance. You also have to bear in mind the cost of something going wrong when you don’t want it too. Like, you can hardly pop down the local...