humidifier
device
Learn about this topic in these articles:
home appliances
- In home appliance: Appliances for comfort.
…can be moistened by a humidifier, which uses a fan to blow dry air through a moistened pad. Both of these devices may be installed centrally in a home, but they are widely used in console form as appliances for one-room or small-space use. Electrostatic and negative-ion-generating air cleaners also…
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use in art preservation
- In art conservation and restoration: Paintings on wood
…which the relative humidity is maintained as much as possible at what is generally agreed to be the most reasonable level—i.e., about 55 percent. It is normal by modern standards to accept as inevitable some permanent convex curvature.
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