LABOR

ELECTRICAL ENGINEER
The branch of engineering that deals with the practical application of the theory of electricity to the construction of machinery, power supplies, etc.



PAINTER
A rope, usually at the bow, for fastening a boat to a ship, stake, etc. One who paints, either as an artist or worker.

CARPENTER
A person who builds or repairs wooden structures, as houses, scaffolds, or shelving.



PLUMBER
A person who installs and repairs piping, fixtures, appliances, and appurtenances in connection with the water supply, drainage systems, etc., both in and out of buildings.




WELDER
To unite or fuse (as pieces of metal) by hammering, compressing, or the like, esp. after rendering soft or pasty by heat, and sometimes with the addition of fusible material like or unlike the pieces to be united.