An inquest at Norfolk Coroner's Court has revealed how the 82-year-old - a former contract electrician in Dereham - was exposed to the fibrous mineral during the early stages of his career. Norfolk Coroner's Court (Image: Newsquest)The court was told Mr Kettley, who also had Alzheimer's disease and arthritis, suffered exposure during his time working as an electrician. Norfolk Coroner's Court (Image: Mike Page)He moved to live in a bungalow in Norwich in 2018 and spent the last seven years of his life being cared for by his daughter. In her statement, she added that her father "developed a cold which got worse" in the days before his death. Yvonne Blake, area coroner at Norfolk Coroner's Court (Image: Newsquest)"His main problem seemed to be breathlessness which worsened over the years.