Question: Chemical exposure poses significant risks in our work with HVAC systems. We often handle refrigerants like R-410A and various cleaning solvents. These substances can affect our respiratory health if proper ventilation is not in place. To minimize risks, we should: Ensure good ventilation when working in enclosed spaces. Utilize personal protective equipment (PPE), like masks and gloves. Be cautious with pressurized gas cylinders to avoid leaks. Need Assignment Help?