Goldsmith
A goldsmith might have a wide array of skills and knowledge at their disposal. Gold, being the most malleable metal of all, offers unique opportunities for the worker. In today's world a wide variety of other metals, especially platinum alloys, also may be used frequently. 24 karat is pure gold and historically, was known as fine gold.
Conservation and restoration of shipwreck artifacts
Metal is a solid material that is hard, opaque, and shiny, with a good electrical and thermal conductivity. Metals are also malleable, this allows for metals to be hammered and formed out of shape without being breaking or cracking.