Which of the following concepts is devised by using the method study given by F.W. Taylor?

Assembly line

Right from procurement of raw materials till the final product is delivered to the customer every activity is part of method study. Taylor devised the concept of assembly line by using method study. Ford Motor Company used this concept very successfully. Even now auto companies are using it. For designing a car, the assembly line production would entail deciding the sequence of operations, place for men, machines and raw materials etc. All this is part of method study.