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___________ are often employed to eliminate dusty air.
1. Industrial fan
2. Exhaust fan
3. Pedestal fan
4. Table fan

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Correct Answer - Option 2 : Exhaust fan

Explanation:

Industrial fans and blowers are machines whose primary function is to provide and accommodate a large flow of air or gas to various parts of a building or other structures. This is achieved by rotating a number of blades, connected to a hub and shaft, and driven by a motor or turbine.

Exhaust fans are used to pull excess moisture and unwanted odours out of a particular room or area. They are commonly found in bathrooms and kitchens, where moisture can build up due to activities such as showering, washing, or cooking.

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