A disadvantage of the atomizing humidifier is
a) it has a lower humidification rate than the pan type humidifier
b) its evaporation plates clog up due to the salt left behind after evaporation
c) it can be used only as an individual area or room humidifier
d) its evaporation plates have to be replaced regularly
e) the salts that were in the water before atomization and evaporation settle as white dust in rooms and ducts
Answer: E