In the concert and events industry, these technologists work as lighting designers, sound technicians and maintenance technicians. They also perform countless tasks that help ensure the success of shows and events (installation, operation and disassembly of equipment such as projectors, videorecorders, cameras, etc.) In museums, audiovisual departments of educational institutions, research centres and other facilities, these technicians are considered general practitioners who contribute to a variety of projects; they handle design, provide feedback on technical feasibility, plan work to be done, handle purchasing. They also take care of lighting, audio pick up, film takes, editing, etc. and handle the maintenance of audiovisual equipment. When working for radio stations, they act as operations, on-air or maintenance technicians. Technologists in the television industry can work in the maintenance department or perform other duties related to the installation, operation and disassembly of equipment, including solving a variety of technical issues.