Boilermakers
apprentice = who works for an employer for an agreed period of time in order to learn a new skill, often for a low wage job site = a physical location where work is done, especially construction work rigging = the ropes and wires supporting the structure coal-fired boiler = an industrial or utility boiler that generates thermal energy by burning pulverized(=in a form of dust) coal that is blown into the firebox burner = a worker who assembls and installs metal pipes and pipe fittings and securing pipes to structures. lay out = construct or arrange buildings according to a plan erect = put together and set upright (a building, wall, or other structure) power generation facility = a building, structure or lot used to produce energy by combustion, such as gas, coal, or fuel burning plants steel mill = a factory where steel is made refinery = an industrial installation where impurities or unwanted elements are removed from a substance (e.g. oil, gasoline, etc.)