Environmental Stress Screening (ESS) differs from HALT primarily in that ESS:
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A
Uses higher stress levels to find design defects, while HALT only reveals manufacturing defects
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B
Applies stresses within or near operational limits to precipitate latent manufacturing defects in production units
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C
Is performed exclusively during the design phase before any hardware is built
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D
Is used only to validate compliance with environmental specifications like MIL-STD-810