The fifth body, of a 50-year-old heavy machinery operator, was recovered late yesterday afternoon.

Examples of this broad concept of user interfaces include the interactive aspects of computer operating systems, hand tools, heavy machinery operator controls, and process controls.

The most common occupations were labourers 18.4%, managers 17.0%, technicians and trades workers 15.7%, machinery operators and drivers 10.8% and sales workers 10.3%.

The most common occupation categories were clerical (18%), labourers (16%), machinery operators (15%) and tradespeople (14%).

The four most common areas of work are: clerical and administrative (17%), machinery operators and drivers (15% - more than double the national average), labourers (14%) and technicians and tradespeople (14%).