... time to hatch, time for transfer to hatcher,and dry and wet bulb temperatures(humidity control) for chicken eggs ... electricity as the main heat source, coal as the assisstant, including honeycomb briquette,eggette,coal cake,charcoal,liquefied gas,etc. Also it ... hose into the water pond, stoves, machines separate, the machine safe without smelly. The incubator selected high insulation nickel ...