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expected useful life stresses
gen.	ожидаемый срок полезного использования (The Expected Useful Life or "EUL" is the average amount of time in years that an item, component or system (in a building or property improvement) is estimated to function when installed new and assuming routine maintenance is practiced. For example, the expected useful life of a roof with a PVC membrane may be approximately 15 to 20 years. Alexander Demidov)
busin.	ожидаемая эксплуатационная долговечность; ожидаемый ресурс
EBRD	расчётный срок службы; расчётный срок эксплуатации (raf)