Final answer:
Lockout-tagout is an industrial safety procedure to make sure machinery is safely shut off and not reactivated before maintenance is finished.
Step-by-step explanation:
The term lockout-tagout refers to a safety procedure utilized within industrial environments. This essential safety measure is aimed at protecting workers from the unexpected energization or start-up of machinery and equipment, or the release of hazardous energy during service or maintenance activities. The process involves multiple steps including turning off the machine, disconnecting it from its energy source, and placing a lock and tag on the energy isolation device to prevent the machine from being re-energized, ensuring that no one can start the machine before the maintenance or servicing work, including the removal of the lock and tag, is fully completed by the authorized individuals.