organized by the Institution of Electronic and Radio Engineers. organized by The Institution of Electronic and Radio Engineers. organised by the Institution of Electrical Engineers. organised by the society of electronic and radio technicians. organised by the Institution of Chemical Engineers. organized by the Institution of Civil Engineers. organized by the Institution of Electronic and Radio Engineers in association with ... [others]. organised by The Institution of Engineers. organized by the Institute of Electrical and Electronics Engineers, Hong Kong Section. organised by the Institution of Chemical Engineers and the Institute of Metals.