Roman metallurgy the most important being bronze, an alloy of copper and tin. Alloys are mixtures of different metals created either by smelting or by forging. It is important to note that an ore does not necessarily constitute an alloy; ore is a collection of minerals and alloyed metals. As metallurgical technology developed (hammering, melting, smelting, roasting, cupellation, moulding, smithing, etc.), more metals were intentionally included in the metallurgical repertoire. By the height of the Roman Empire, metals in use included: Gold, Silver, Copper, Tin, Lead, Zinc, Iron, Mercury, Arsenic, Antimony (Healy 1978). As in the Bronze Age, metals were used based
Fish and Tin and Copper and Dancers, was set to the song Fish and Tin and Copper. The group had originally performed it as a demonstration dance at the opening ceremony of Lowender Peran in 1997. The chorus of the song inspired the use of traditional steps and patterns to represent these Cornish industries, including steps from the Newlyn Fisherman's Reel, followed by a chain (swimming fish), then the turning of wheels and cogs of the mines. Fish and Tin and Copper Fish and Tin and Copper is a traditional folk song/ballad associated with Cornwall, and dealing with the legend of the devil ("Old Nick")