Across
- 3. When close contact is unavoidable, put on revelant PPE and stay behind thick concrete walls and lead-lined door.
- 5. Provide the proper ____________________________(containers) of radioactive substances made of lead.
- 8. One of the 4 safety measures when dealing with radioactive substance/environment is to reduce _______________________ time.
- 11. _________________ radiation is the most penetrative power of the 3.
- 12. Those people whose jobs need to deal with radioactive material/environment, as part of their Personal Protective Equipment(PPE), a dosimeter _______________ is worn to monitor the amount of radiation absorbed.
Down
- 1. A__________________ half-life source is more harmful internally to any living organism.
- 2. Another of the 4 measures is to increase ____________________________ between the source and human (living things)
- 4. This effect of radioactivity can kill cells, cause mutations and cancer.
- 6. This type of radiation has the strongest ionising power.
- 7. which radiation can penetrate the skin and has ionising ability also.
- 9. In the Chernobyl disaster in 1986, many animals and plants died while those who survived are no longer 'normal', their DNA and cells have (m)_________________.
- 10. This type cannot ionise.