11. His lunar motion studies were important in advancing both the theory of planetary motion and mathematics. 12. His book " Motion Study " ( also from 1911 ) described approaches to reduce setup time. 13. Typically, one second of data recording is required for a complete motion study at 30 frames per second. 14. He posited that time and motion studies combined with rational analysis and synthesis could uncover one piece rates. 15. The systems of "'time and motion studies "'are frequently assumed to be interchangeable terms, descriptive of equivalent theories. 16. In motion studies , these prostheses have a life span of 20 years or longer, although actual mileage may vary. 17. Her appreciation of human factors made her successful in the implementation of time and motion studies and scientific management. 18. The firm's methodology focused on efficiency through a " Time and Motion " approach, better known as motion studies . 19. The poet s father was employed as a time-and-motion study efficiency engineer at Kingan and Company, a slaughterhouse and meat-packer. 20. But I couldn't help thinking that the Irish transportation system was in dire need of a time and motion study .
