social and ethical issues on ergonomics speech - thats bound to be riveting, am sorry to miss it but make sure u discuss
Health/safety of all participants - effect that design and arrangement of workplace can have on the people who use them, variety of tasks with suitable breaks
furniture - desk/chairs placement, size, adjustability (so they are suitable for everyone that has to use them small and large)
IT - placement/adjustability of equipment, software thats easy to use, should minimise movement
environmental factors - noise, lighting, climate, humidity
maybe touch on
equity issues - cost of buying equipment - who gets the new equipment?
gender issues - computers "technical", perceived male domain