Tools of Labor in the Mesolithic and Neolithic Era? In the Eneolithic era? In the Iron Age?

In the Mesolithic period, there were such tools of labor: a stone ax, a stone hammer, a stone knife and numerous other microliths;

During the Neolithic, a stone sickle appeared, as well as the first agricultural tool – a hoe;

During the Chalcolithic period, metal tools appeared;

The plow appears during the Iron Age. In addition, now tools, tools and other devices are made of metal.