The nurse thought that my action was very strange until one day Mrs. Pillar smiled happily as I began working with her—just as she had worked with my years before.
Because it's often mentioned as one of the pillar techniques in agile methodologies, refactoring is interpreted as working only for teams adhering to these principles.
The structure is four - pillar guide, up - packing, doublecylinder and machine balancing system. ensures the parallelism of upper and lower working sides.