Builder 2

The term construction worker describes an abstract concept and is a meta-category for all those involved in construction; those performing the actual work. The physical construction worker does not actually exist, all construction workers associate themselves with some subcategory of worker. ... The division of labor of construction encompasses a diverse range of skilled and manual labor. Among the most common construction trades are those of carpenter, electrician, heavy equipment operator, ironworker, laborer, mason, plasterer, plumber, pipefitter, sheet metal worker, steel fixer (also known as a "rodbuster"), and welder. [Construction worker. Wikipedia]