vegetable dryer machine: Heating source:steam,electrical,far infrared electrical ... for fruit and vegetable(apple/herb/yam) FeaturesHigh heating efficiencyBy means of forced air blast, the ... drying chamber can dry materials evenly.Multiple heating resources, e.g. steam, hot water, electricity, ... is high and the energy is saved. ♥The heating source can use the steam, hot water, electricity ...