Dave Macdonald has worked as an instrumentation engineer for the past thirty-five years mainly in the chemical industries. He has been working for IDC Technologies for the past fou...vizualizați mai multeDave Macdonald has worked as an instrumentation engineer for the past thirty-five years mainly in the chemical industries. He has been working for IDC Technologies for the past four years in the rapidly growing Safety Instrumentation area and has presented and consulted in North America, the UK, Ireland, South Africa and Australia in this area to wide acclaim.vizualizați mai puține