Workers in this unit group fit, adjust and repair electronic apparatus in factory, workshop or place of use. Their functions include: fitting, adjusting and repairing various kinds of electronic equipment; fitting, adjusting, installing and repairing radio and television transmitters and radar equipment; fitting, adjusting, and repairing electronic components of medical equipment, computers and related equipment, industrial equipment and signalling systems; performing related tasks. Radio and television mechanic is classified in 8-54.20.