Which of these actions is considered important in radiation safety?

Maintaining a safe distance from radiation sources is a fundamental principle in radiation safety known as "distance protection." The exposure to radiation decreases significantly with distance, as the intensity of radiation diminishes according to the inverse square law. By increasing the distance from the radiation source, workers can effectively reduce their radiation dose and minimize the risk of exposure. This principle is crucial in various settings, such as nuclear facilities, medical imaging, and research laboratories, where employees are frequently near radiological hazards.

In contrast, regular replacement of protective gear and actions related to meal consumption in radiation-controlled areas do play roles in overall safety; however, they do not have the same direct impact on reducing exposure in the immediate sense as maintaining distance does. Using personal electronics around radiation sources could also pose risks, as these devices may interfere with monitoring equipment or present unintended pathways for exposure. Therefore, understanding and applying the principle of maintaining a safe distance is vital for ensuring effective radiation safety.