You should protect yourself in the laboratory. You should always act to minimise your exposure to radioactive sources.
1. Never allow skin contact with a source. Always handle sources with tongs.
2. Keep the source at arms length to keep it as far from the body as possible.
3. Keep the source pointing away from the body and avoid looking directly at it.
4. Always keep the source in a labelled lead box and put it back as soon as the experiment is over to keep your exposure time short.
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