Complex sentence: While silversmiths specialize and work principally in silver, they also work with other metals, such as gold, copper, steel, and brass, to make jewelry, silverware, armor, vases, and other artistic items.
Split into simpler sentences: While silversmiths specialize and work principally in silver, they also work with other metals, such as gold, copper, steel, and brass. They make jewelry, silverware, armor, vases, and other artistic items.