Traditional metal working in Mexico one in silver, which represented the sun and moon respectively. The existence of gold and silver in Mexico was one of the main attractions for the Spanish in the New World, with the conquest of the Aztec Empire and subsequent exploration with the aim of finding more of these precious metals. Mining and metal working became a main aspect of the economy of colonial Mexico. Most of the emphasis was on the mining of gold, silver, copper, iron, lead, platinum and tin with much of the metal, especially gold, shipped to Spain. Initially, the working of metals in the new
Metal Walker his son as a gang of Metal Busters attack. The main character and his Metal Walker, Meta Ball, must then search for his father on the island. Professor Hawk, Tetsuo's employer tells the main character that his father will be found where there are Core Units, so he then goes to seek them out. "Metal Walker" found praise among its critics, particularly for the game's unique "science fiction spin" on the "Pokémon" series. Gerald Valloria of GameSpot.com said of the game that ""Metal Walker" is a more than worthwhile endeavor for anyone that is in between "Pokémon" games, and it