The air is hot and humid, with a heating system (No. 2) and add moisture by spraying water at the set heating and evaporation is water vapor to the air temperature, steaming is used and relative humidity equal to that set.
Weather was hot and humid with a heat set (No. 2) and increase moisture by spraying water heater, and water vapor. So that air temperature and humidity of the steam setting.
The weather is hot and humid with series to heat (the number 2) system and increasing the humidity by spraying water heating and evaporating a series of steam. To keep the air steam with temperature and relative humidity were set up.