Lock Out Tag Out (LOTO) is a critical safety measure employed in various industries to protect workers during the maintenance and repair of machinery and equipment. The primary objective of LOTO is to prevent the unexpected energization or release of hazardous energies, which can result in severe injuries or even fatalities. This article will explore the fundamental concepts of LOTO, its implementation process, and its significance in promoting workplace safety.

At its core, Lock Out Tag Out consists of two key components： locking out the machinery and tagging it. Locking out involves physically securing the energy source of the equipment using devices such as padlocks or lockout devices. This ensures that the machinery cannot be accidentally powered on while maintenance work is being conducted. Tagging involves placing warning labels or tags on the machinery, notifying other employees that the equipment is under maintenance and should not be operated. The implementation of LOTO is governed by specific steps designed to ensure the safety of all personnel involved. The following is a breakdown of the LOTO process：