To have the time of Manufacturing order per stage. Take into consideration the amount of productive resources such as labor and machinery, then a production cell with more employees will have more capacity than a cell with fewer employees.
However in the productive world the maxim that there is nothing more different than two equal productive cells, since the cell is composed of employees with different degrees of skills and being that each employee will have a degree of skill for each type of machine.
With PracticalTex is possible to predict the productive capacity of the cell, taking into account the employees skill degree and even the sewing machine performance degree.