Saxophone bell e stone tool: o que têm em comum
- Passo 1. Saxophone bell — faz parte de — Saxophone. It emits sound.
- Passo 2. Saxophone — tem como parte — Woodwind key mechanism. More than 20 valves.
- Passo 3. Woodwind key mechanism — faz parte de — Flauta. Boehm’s keys close the holes.
- Passo 4. Flauta — é feito de — Osso. The oldest flutes (Hohle Fels) were carved from bird bone and ivory.
- Passo 5. Osso — é material para — Needle. The first needles with an eye were carved from bone.
- Passo 6. Needle — evoluiu de — Stone tool. Bone needles with an eye are part of the Palaeolithic toolkit.