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What are the sources of indoor air pollution and what health problems does it cause?
Advertising
A paid form of nonpersonal communication transmitted through mass media, such as television commercials or magazine advertisements.
Communication
The act or process of using words, sounds, signs, or behaviors to express or exchange information or to express ideas, thoughts, feelings, etc., to someone else.
Industrial Products
Goods produced for use in production and operation for other industries, not intended for direct consumption by consumers.
Raw Materials
The basic substances or components that are used to produce goods or manufacture products.
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