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Answer: Principle of motion economy.
Explanation: principle of motion economy developed by Frank and Lillian Gilbreth are guidelines to help determine the work method, workplace layout, tools, and equipment.
The aim of this is to help in identifying and replicating one best way to complete a task and also minimize the physical and perceptual loads imposed on people engaged in that task.
Municipal corporation can be called a local government of the India. In India when an urban area get above 1 million population and government urbanized that area and handover authority to municipal corporation to take care of that city.