The plant behaves differently with various production rates and aggregates flowing through the dryer at different times of the year. Consequently, it becomes difficult to determine what’s acceptable for the equipment and conditions. Learn to size up your situation for the production rate your plant should be able to attain, and for the energy consumption your plant should require. If you’re not reaching these benchmarks, you’re losing money. A lot of money is spent at the plant–don’t make the operator the only one in charge of your purse strings. The plant is armed with many useful instruments. Teach your operator a profitable, safe way to manage it.