Overlocker e lathe: o que têm em comum

1. Passo 1. Overlocker — tem como parte — Knife. A knife for trimming the edge.
2. Passo 2. Knife — evoluiu de — Stone tool. The first knives were stone flakes.
3. Passo 3. Stone tool — faz parte de — Spear. Early spearheads were made of stone.
4. Passo 4. Spear — evoluiu para — Harpoon. A spear with barbs.
5. Passo 5. Harpoon — tem como parte — Rope. A line connects the head to the hunter.
6. Passo 6. Rope — faz parte de — Lathe. The bowstring wraps around the workpiece and turns it.

Abrir Evothings