Which of the following is essential for the safe operation of machinery during maintenance?

Following proper lockout/tagout procedures is essential for the safe operation of machinery during maintenance because these procedures are designed to prevent accidental machine start-up while maintenance work is being performed. Lockout/tagout involves isolating the machinery from its energy sources (like electrical, mechanical, hydraulic, etc.) and implementing locks or tags to ensure that no one else can inadvertently activate the machinery while it is being serviced. This process is crucial for safeguarding the maintenance personnel, as it eliminates the risk of injury or fatality that can occur from unexpected equipment operation.

By adhering to these protocols, workers are provided a secure environment to carry out their tasks without the fear of machines being turned on, which is a significant risk in any maintenance activity. This focus on safety is a fundamental aspect of workplace health and safety regulations in various industries where machinery is involved.