What’s the difference between a metric ton and a regular ton? Or a troy ounce vs. a fluid ounce? How do you calculate amperes using horsepower or kilowatts? This information and more can be conveniently downloaded and printed, from right here on Industrial Power Inc. We have also provided tax exemption forms for your convenience. If you have questions about any of these forms, the products we carry, or the services we provide, please call one of our stores in Greensboro or Fayetteville, NC.