Repoussé: A metalworking technique where thin sheets of metal are hammered from the back to create raised designs on the front surface.
Filigree: A delicate form of metalwork that involves twisting fine wires together to create intricate patterns or lace-like designs.
Cloisonné:An ancient technique where thin strips of metal are used to create compartments (cloisons) which are then filled with enamel to produce colorful designs on metal surfaces.