A radiographer in a hospital is preparing a sample of technetium-99. Name two protective measures she should be to ensure she is safe from the radiation?

There are many precautionary measures which is to be taken care of while handling technetium-99.

Explanation:

There is a proper separated area for the handling of the 99Tc and all the containers are properly labelled for the use of technetium-99 only.

While working on it, the person is not allowed to eat or drink anything.

Use of gloves, glasses and other preventive measure is also very important when handling radioactive materials.

Try to maintain a proper distance throughout the experiment.

it about 600 mph from what i calculated

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask