An estimated 1.3 million employees in construction and general industry face significant asbestos exposure on the job. Heaviest exposure occurs in the construction industry, particularly during the removal of asbestos during renovation or demolition. People who are employed in industries that manufacture asbestos products (textiles, insulation, and other building materials) and those involved in automotive brake and clutch repair work are at increased risk. Shipyard workers, factory workers, pipe fitters, sheet metal workers, plumbers, mechanics, powerhouse workers, and electricians are also exposed to Asbestos. There are over 3,000 known Products that may contain Asbestos.