- Apply organizational techniques for basic finishing operations of elements and pieces of precious metals, identifying specificities and needs for raw materials, tools, tools and machinery. - Define the different types of basic finishes for elements and pieces of jewelry and goldsmithing (glossy, matte and bath finishes), describing the resulting final appearance for each of them. - Describe the different procedures for finishing elements and pieces of precious metals, ordering them sequentially. - Describe the different equipment and products (pulleys, pastes and grinding wheels) used to obtain gloss and matte finishes, specifying their uses and applications. - Establish, from a technical sheet of a piece of precious metal, the prior polishing operations on the elements or parts that constitute it, ordering them sequentially. - Explain the fundamentals of the electrolytic process, reasoning its application for making gold and silver baths for elements or pieces of jewelry and goldsmithing. - List and describe the main elements and products used in the application of silver and gold baths (cathodes and electrolytes), specifying their composition.