stripping ratio in a sentence

Examples

1. All other factors being equal, mining at a higher stripping ratio is less profitable than mining at a lower stripping ratio because more waste must be moved ( at a cost per unit volume ) for an equivalent volume of revenue generating ore.
2. All other factors being equal, mining at a higher stripping ratio is less profitable than mining at a lower stripping ratio because more waste must be moved ( at a cost per unit volume ) for an equivalent volume of revenue generating ore.
3. Operating costs are likely to be relatively high per pound of copper despite a low stripping ratio ( the amount of waste that has to be moved to access the ore ), again due to the low grade coupled with the adverse working conditions.