Preventative maintenance is the maintenance service plan, which aimed to prevent a breakdown, maintenance, as well as from cleaning, periodically checking or looking to change the device or circuit to reach every lifetime.
Preventive maintenance is a maintenance plan. Which aimed to prevent downtime. Maintenance, including cleaning from time to time to check or monitor the equipment. Or cycle to complete all phases of life.
Preventive maintenance is planning services maintenance. Which aimed to prevent breakdown maintenance, including from the cleaning machine periodically checks or take care of transforming equipment.