Final answer:
The use of plastic layers to prevent asbestos migration in work settings is true. Protective gear and HEPA filters provide vital safety measures against hazardous materials to ensure workers' health and prevent contamination.
Step-by-step explanation:
The statement describing layers of plastic that sealed over work area openings as a barrier to prevent airborne asbestos from migrating is true. When working with hazardous materials such as asbestos or in environments like radioactive spills, special protective gear is essential for worker safety. Containment stratsuch as these layers of plastic act as effective barriers to block the spread of contaminants. For instance, in work areas prone to asbestos exposure, utilizing plastic barriers ensures that fibers do not travel to adjacent, uncontaminated spaces. In the context of radioactive material spills, protective suits worn by workers shield them from particles rather than radiation per se. These suits also include HEPA filters in Biological Safety Cabinets to maintain clean air by removing particulate matter. This approach is mirrored in high-level biosafety labs (BSL-4), where suits with their own air supply and positive pressure prevent external contamination. Overall, these safety measures are crucial to prevent the diffusion of asbestos fibers, ensuring a safe work environment for those handling such substances.