A passage on rope rescue states: 'A life-safety rope must never be used for utility purposes after it has been subjected to any load.' What is the reasoning behind this rule?
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A
Life-safety ropes are more expensive and must be reserved for rescue
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B
Internal fiber damage from a load may not be visible externally, compromising future safety
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C
Utility use causes chemical contamination that degrades the outer sheath
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D
NFPA standards require new rope for each rescue incident regardless of use