<Li> Theory of Constraints </Li> <P> Evaluation of resources, both physical and human, is essential to evaluate hand - off points and potential to create smoother transitions between tasks . </P> <P> A workflow can usually be described using formal or informal flow diagramming techniques, showing directed flows between processing steps . Single processing steps or components of a workflow can basically be defined by three parameters: </P> <Ol> <Li> input description: the information, material and energy required to complete the step </Li> <Li> transformation rules: algorithms which may be carried out by people or machines, or both </Li> <Li> output description: the information, material, and energy produced by the step and provided as input to downstream steps </Li> </Ol>

What are the four aspects of work study developed by taylor explain