This Do Not Operate Men At Work Sign is designed to protect workers carrying out maintenance, repairs or servicing by clearly warning others not to use machinery or equipment. Displaying a prohibition safety sign is an essential part of workplace risk management, helping businesses comply with the Health and Safety at Work Act 1974 and the Management of Health and Safety at Work Regulations 1999. The bold red prohibition circle with text ensures the message is instantly recognised, reducing the risk of accidental operation while personnel are working. Commonly used in factories, workshops, construction sites and industrial environments, this sign highlights your commitment to employee safety and accident prevention. Manufactured in the UK, it is available in durable materials suitable for both indoor and outdoor use. Ensure your workplace follows HSE guidance and keep staff protected with this highly visible safety sign.