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1987
The purpose of economic activity is normally to produce a surplus which can be distributed (or appropriated) as income. But only that part of total output can be reckoned as surplus and distributed as income which is not needed to provide for the continuation of economic activity on the same level.
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The purpose of economic activity is normally to produce a surplus which can be distributed (or appropriated) as income. But only that part of total output can be reckoned as surplus and distributed as income which is not needed to provide for the continuation of economic activity on the same level.
openaire +1 more source
A method for the maintainability evaluation at design stage using maintainability design attributes
Reliability Engineering and System Safety, 2021Zhexue Ge, Yongmin Yang
exaly
Proactive and visual approach for product maintainability design
Advanced Engineering Informatics, 2023Dequan Yu, Chuan Lv
exaly