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A humidifier is a household appliance or device designed to increase the moisture level in the air within a room or an enclosed space. It achieves this by emitting water droplets or steam into the surrounding air, thereby raising the humidity.
A 20% decrease in the ability to perform calculations and in manual dexterity is observed at 180 metres (600 ft), rising to 40% at depths of 240 metres (800 ft) Dizziness Vertigo, nausea, and vomiting may occur in divers at depths of 180 metres (600 ft). Animal studies under more extreme conditions have produced convulsions. Tremors