Which of these is not a key element of the operations function?

Operation management refers to the task of managing the process that transforms resources into finished goods and services. The key elements of an operation system includes Inputs, processes and outputs. Inputs are the resources necessary to make the product, processes are action performed on the inputs to transform them into finished products while outputs are finished products that results when inputs are processed. Therefore, in this case regulation is not a key element in operation function.