The group of workers most at risk are those who worked, or who are working on, buildings built or refurbished in 1950-70s in construction-related trades, e.g. plumbers and carpenters. Mesothelioma is the most common of the asbestos-related disease with occupations carrying the highest risk of mesothelioma for males concentrated in metal plate workers (including shipyard workers), vehicle body builders (including rail vehicles), plumbers and gas fitters and carpenters and electricians.