
1) Construction trades worker
Found on
https://www.crosswordclues.com/clue/groundworker

A groundworker is a British term for a subcontractor who is employed to prepare a home construction site for the shallow foundation of a new home. Typically, the groundworker clears the site, lays a Foundation, installs drainage and other pipework, and may build roads if necessary. The groundworkers are usually the first and last trades performed ...
Found on
http://en.wikipedia.org/wiki/Groundworker
No exact match found.