At least one week before the laboratory sessions start (often before the start of the term in which the experiment is first to be run), demonstrators should:

• Make sure that you have arranged via your Lab Leader for a Worker Agreement to be issued to you and that you have completed any required Right to Work checks. If this is not done before you start work you will not be paid. (See details of the process below)
• Read the laboratory handouts and any specific notes for demonstrators for your experiments, and run through the experiments yourself. Some laboratories also have online resources supporting the lab – familiarise yourself with these too. The laboratory leader will see that you receive the necessary instruction if you are new to the experiment. New demonstrators should shadow an experienced demonstrator once or twice before the lab is handed over.
• Prepare carefully to give the introductory talk at the start of the lab. You should cover the major teaching points, make clear the objectives of the exercise, and refer to all safety matters. Make sure you can speak fluently and knowledgably when instruction and discussion are required at different stages of the experiment and at the conclusion; and again for the sign-up sessions (if you are asked to mark long lab reports).