Humidifier, for business use, having a function of spraying a sterilization agent, insecticide, and a deodorant for spatial sterilization, insect proofing, and deodorization; an apparatus for air-conditioning, moisture-controlling, and humidifying in the atmosphere inside a pulp-manufacturing factory and a paper-manufacturing factory, namely a humidifier spraying mist for air-conditioning and moisture-controlling in a pulp-manufacturing factory and a paper-manufacturing factory; an apparatus ...