Foam expansion capabilities include three categories: low expansion, medium expansion, and high expansion. Which range defines medium expansion?

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Multiple Choice

Foam expansion capabilities include three categories: low expansion, medium expansion, and high expansion. Which range defines medium expansion?

Explanation:
Medium expansion is defined by an expansion ratio from 20 up to 200. This range sits between low expansion (up to 20) and high expansion (above 200), providing a balance: enough foam to blanket and cool a reasonably large area while keeping density and control practical for typical hazards. The other options describe the extremes or lie outside the standard boundary for medium expansion.

Medium expansion is defined by an expansion ratio from 20 up to 200. This range sits between low expansion (up to 20) and high expansion (above 200), providing a balance: enough foam to blanket and cool a reasonably large area while keeping density and control practical for typical hazards. The other options describe the extremes or lie outside the standard boundary for medium expansion.

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