... be dry evenly. 3.Easy to maintenace Explanation:1. The hot source can be s team, electricity, far infrared, or steam ... oven. Raw material can be evenly dried. The hot source can be steam, hot water, electricity or far infrared. 4. The machine ... , granule, packing bottle, pigment, dyestuff, dehydration vegetable, dried fruit and melons, banger, plastic resin, electric elements drying varnish and so on.