What is the main difference between preventative maintenance and corrective maintenance?

The main difference highlighted in this context is that preventative maintenance involves scheduled upkeep aimed at preventing issues from occurring, while corrective maintenance is performed to address existing problems after they have already arisen. Preventative maintenance is proactive and focuses on regular inspections, servicing, and replacement of worn parts to ensure equipment operates smoothly and avoids unexpected breakdowns. This approach minimizes downtime and extends the lifespan of the equipment. Corrective maintenance, on the other hand, is reactive and is implemented after a failure or problem has been identified, requiring immediate attention to restore the equipment to operational status. By differentiating the two, individuals can understand the importance of anticipating maintenance needs versus addressing problems as they occur.