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In maintenance terminology, PM stands for Preventive Maintenance. This concept refers to the regular and systematic inspection, cleaning, and servicing of equipment and facilities to enhance their lifespan, reliability, and efficiency. The goal of preventive maintenance is to perform maintenance tasks before equipment fails, thereby reducing the likelihood of unexpected breakdowns and costly repairs. This proactive approach helps organizations maintain optimal operational conditions, minimizes downtime, and ensures safety standards are met.

Preventive maintenance activities often include routine checks, replacing worn parts, and scheduled servicing based on time or use, making it a critical aspect of any maintenance program. By scheduling these tasks ahead of time, organizations can better allocate their resources and manage their maintenance expenses effectively. Thus, recognizing PM as Preventive Maintenance aligns perfectly with industry practices focused on sustainability and cost-efficiency in maintenance operations.