Which equipment is essential to prevent internal contamination?

To prevent internal contamination, the essential equipment includes respirators, gloves, and shoe covers.

Respirators are crucial in environments where airborne radioactive particles may be present, as they filter out harmful contaminants from the air before they can be inhaled. This is vital for reducing the risk of internal exposure through the respiratory tract.

Gloves provide a physical barrier that guards the skin from direct contact with radioactive materials. This is important because contaminated surfaces can lead to the transfer of radioactive particles to the skin and subsequently, potentially, into the body.

Shoe covers serve to prevent the tracking of contaminated materials outside of controlled areas, thereby minimizing the risk of ingestion or inhalation when individuals inadvertently carry radioactive particles on their footwear.

Together, these items form a comprehensive protective approach that effectively reduces the risk of internal contamination compared to the other options listed, which may focus more on external radiation protection or general safety.