Set of brass weights y cuchillo: qué tienen en común

1. Paso 1. Set of brass weights — forma parte de — Balanza. Reference masses.
2. Paso 2. Balanza — está hecho de — Piedra. Weights were hewn from stone.
3. Paso 3. Piedra — es material para — Azuela. The blade of an adze was ground from stone.
4. Paso 4. Azuela — evolucionó de — Herramienta de piedra. Neolithic adzes were stone.
5. Paso 5. Herramienta de piedra — evolucionó en — Cuchillo. The first knives were stone flakes.

Abrir Evothings