The workers of a factory are not performing because of lack of knowledge of hi-tech machines. Technological change arises the little need for employees to upgrade or alter their skills. Thus, in this case training should be provided by the engineer to one of their supervisor so that he will guide the other workers and able to enhance their productivity. Frequent visit of engineer results in high overhead charges When the training imparted to the supervisor then he equips and handle the situation In the absence of engineer or In case of emergency.