1.1. The stone furnace that was used to melt metals, make pots or heat food.
1.2. Ceramics, including the manufacture of molds for metal casting.
1.3. The grain mill for grinding cereals.
2. The Metal Age Stage
2.1. Copper Age. It is the first stage of this era, from 6500 to 3000 It was characterized by the growth of sedentary populations, by the creation of the wooden wheel, and by the creation of a new type of wheel.
2.2. Bronze Age. It is the stage from 3000 to 1500 It was characterized by the discovery of metal alloys.
2.3. Iron Age. It is the stage from 1500 to 550 or until writing appeared at different times depending on the region of the planet.
3. What is the Metal Age?
3.1. The Metal Age is the second period of prehistory, after the Stone Age, and took place from 5,000 to 1,000 years It is divided into three stages: the Copper Age, the Bronze Age and the Iron Age, and it was the stage of prehistory with the most significant changes, in which humans began to manipulate metals, such as copper, bronze and iron.
4. Characteristics of the Metal Age
4.1. The work of metals such as copper, for the creation of utensils, tools for plowing the land, decoration and jewelry as accessories.
4.2. The invention of the wheel dates back to the late Neolithic and early Metal Age. It is estimated to have been created by the Sumerians, the first and oldest civilization to live in the Middle East.
4.3. The discovery of the mixture of metals by the fusion of two or more elements.