In some unspecified time in the future tin was included to the molten copper and bronze was developed thereby. Bronze is definitely an alloy of copper and tin. Bronze was an essential progress as it had the sting-durability and stiffness that pure copper lacked. Until the advent of iron, bronze https://www.qdexx.com/US/CA/Santa%20Ana/Architects/US-CA-Santa-Ana-Architects-Hand-Crafted-Metalworks-Hand-Crafted-Metalworks