What precaution should a trackman always take while working?

While working on the tracks, it is crucial for a trackman to be aware of their surroundings, including noting nearby spaces. This awareness helps to identify potential hazards, such as the proximity of moving trains and other equipment, ensuring that the trackman can maintain a safe distance from danger. Additionally, understanding the layout of the work area allows for better situational awareness and the ability to react swiftly to any changes in the environment or sudden threats, which are vital for maintaining safety on the job.

Furthermore, while the other options involve important safety practices—such as securing tools to prevent accidents, wearing gloves for hand protection, and informing colleagues for enhanced communication—they don't specifically address the broader situational awareness required when working near tracks, which is essential for overall safety. Noting nearby spaces encompasses a vital aspect of the job that directly influences the trackman's safety and effectiveness during maintenance activities.