If there are parts to be joined, such as in bracelets, it will be performed at this stage, by a team of dedicated and skilled craftsmen. Soldering is a real art and skill which requires meticulous attention.
Tweezers work well for placing the tiny pieces of solder onto the metal. When placing solder on the metal, it should be positioned between the areas that will best join the metal. A little solder will go a long way if placed correctly. Unfortunately, this requires some real talent.