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Wearing respiratory protective equipment (RPE) is specifically designed to prevent workers from inhaling harmful substances such as dusts, fumes, vapors, and airborne pathogens. This type of personal protective equipment creates a barrier that protects the respiratory system, which can be particularly at risk in construction environments where exposure to hazardous substances is a concern.

RPE is crucial for maintaining the health and safety of workers, as breathing in hazardous materials can lead to serious health issues, including respiratory diseases, long-term lung damage, and other health problems. Proper usage of RPE ensures that workers can perform their tasks while minimizing the risk of inhalation exposure to harmful agents prevalent in their working environment.

Other options mentioned relate to different types of hazards; for example, hearing loss is typically prevented by wearing hearing protection, falls from heights require the use of fall protection systems, and contact with hazardous materials is generally managed through different types of protective gear, such as gloves or visors, rather than respiratory equipment.