Long-term use of equipment, tools, machines is subject to wear and tear, posing a risk of breakdown and loss, which, if left to occur, affects work processes, product manufacturing, quality control or even Personnel safety If preventive maintenance procedures are adopted Will enable the company to predict that When will the company have to repair the machines before they are damaged? Including the removal of unnecessary parts that affect the waste of the machine. In addition, it can increase the service life of the machine. By using the results obtained from preventive maintenance This process allows the company to reduce the risks in the manufacturing process. Reduce time spent on maintenance Control the cost of maintenance. Develop the image of the organization Reduce material hoarding costs by planning future purchases. For this reason, we have to maintain the equipment. Those tools will be continuously available for use. This will reduce the risk of unexpected events. And also extending the service life and increasing the stability of the sustainable operation Observation of preventive maintenance