Abrasive metering. More blasters run more abrasive than required or needed for the job. Simply by turning that abrasive quantity down to give you just enough to cover your target area. You can’t starve it to the point where it slows your operation down. You need to dial it down, so you get your full cut capacity without wasting abrasive. That is the difference between a profitable job and a breakeven job if not a loss.
