What are two ways contaminated areas are marked?

• A. Quick and Accurate
• B. Visual and Audio
• C. Primary and Secondary
• D. Hasty and Deliberate

Answer: (D)

Two ways contaminated areas are marked focuses on using both speed and clarity. In hazardous environments you want to establish a boundary quickly so people don’t accidentally enter, but you also need to mark it in a way that is deliberate and unambiguous so the warning remains clear and durable. Describing this as hastily marking the area for immediate safety and then marking it in a deliberate, careful manner captures why both approaches are used. The other options don’t fit because they describe sensory modes or broad adjectives that don’t convey the practical dual approach to marking—speed plus careful communication.