what are the highest paying labor jobs?
['Structural iron and steel workers. National Average Salary: $16.83 per hour. ... ', 'Electrical power-line installers and repairers. ... ', 'Construction and building inspectors. ... ', 'Boilermakers. ... ', 'Radio and telecommunications equipment installers. ... ', 'Locomotive engineers. ... ', 'Gas plant operators. ... ', 'Elevator installers and repairers.']