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3.When you begin the cut, whenever possible you want to start right off the edge of the metal and slowly cut into the edge to get to your desired spot. Replacing the tips can get costly and if you start your cut in the middle of a solid piece of metal you're more likely to get spatter back into the tip. And just like when you're welding, you want to keep the cutter feed consistently paced. If you're getting too many sparks spraying up at you, you're moving too quickly and not cutting all the way through the metal.