Final answer:
Lockout is a safety procedure that ensures equipment is kept from being inadvertently started, typically during maintenance, to protect workers from harm.
Step-by-step explanation:
Lockout is indeed a means of keeping equipment from being started, therefore the correct answer to the student's question is a. True. Lockout procedures are safety measures used in various industries to ensure that dangerous machines are properly shut off and not started up again before the completion of maintenance or servicing work. These procedures involve placing a lockout device on an energy-isolating device in accordance with an established procedure, effectively protecting workers from the release of hazardous energy.