X-rays
Sealed sources
Sheffield University's "Contamination Control" video can be found in sections on this page - http://nottingham.ac.uk/safety/policies-and-guidance/radiation/ionising-radiation/ir-training.aspx.
Please note: If you are intending to travel by car to the training venue, please allow sufficient time to locate a parking space and to walk to the training venue, as parking may not be available immediately adjacent.