Which of the following could improve a technician's troubleshooting skills?

Regular hands-on practice with equipment is crucial for improving troubleshooting skills in technicians. Engaging directly with the tools and systems they work with allows technicians to develop a deeper understanding of the functionality, operation, and common issues that may arise. This practical experience enhances their ability to quickly diagnose and resolve problems, as they gain familiarity with the equipment's usual behavior under normal conditions and how it reacts when something goes wrong.

By troubleshooting real-world scenarios during hands-on practice, technicians can also learn from their mistakes and successes, building a more extensive repertoire of strategies and solutions for future challenges. This experiential learning is far more effective than theoretical knowledge alone, as it allows technicians to apply what they have learned directly to their work environment. Through consistent practice, they become more efficient and confident in their troubleshooting abilities, ultimately leading to better maintenance and management of traffic signal systems.