... :electric or steam can be choose Hot Air Circulating Dry OvenExplanation:1.Options of heat source: steam, electricity, ... is suitable for the material and product hot solidification and dry de-watering in the pharmaceutical, chemical, food, farming, ... drinking agent, pill, packing bottle, pigment, dyestuff, de-watering vegetable, dried fruit piece, sausage, plastics, resin, electric component, baking ...