What action is crucial when observing an unsafe work practice?

Telling the instructor immediately is crucial when observing an unsafe work practice because instructors are typically responsible for maintaining a safe working environment. They have the training and authority to address safety issues effectively. By reporting unsafe practices right away, instructors can take immediate action to mitigate risks, provide necessary training, or implement changes to enhance safety conditions.

Additionally, this prompt communication can prevent potential injuries or accidents that might result from the unsafe practice, ensuring that all individuals in the shop are protected. It fosters a culture of safety where everyone is encouraged to report concerns without delay. Quick reporting also aids in maintaining compliance with safety regulations and standards, which is essential in any shop setting.