Workers in the paint industry are exposed to various hazards due to the nature of their work. Among the options provided, the correct answer is option 4: Lead pollution.

Lead is a commonly used ingredient in many types of paint, particularly in older formulations. When workers are involved in tasks such as mixing, applying, and removing paint, they can come into contact with lead-containing dust or fumes. Exposure to lead can occur through inhalation, ingestion, or absorption through the skin.

Lead is a highly toxic metal that can have serious health effects on workers. Prolonged exposure to lead can lead to symptoms such as fatigue, headaches, and abdominal pain. It can also affect the central nervous system, kidneys, and reproductive system. In extreme cases, lead exposure can cause irreversible damage to organs and even death.

It is important for workers in the paint industry to take appropriate safety precautions to minimize exposure to lead. This can include wearing personal protective equipment, practicing good hygiene, and following proper ventilation protocols. Regular monitoring and testing for lead levels in the workplace may also be necessary to ensure the safety of workers.