Heat-sealed seams e kiln: o que têm em comum
- Passo 1. Heat-sealed seams — faz parte de — Plastic bag. Heat-sealing of the bottom and sides.
- Passo 2. Plastic bag — tem como parte — Handles. Cut-out handles.
- Passo 3. Handles — faz parte de — Saucepan. Handles.
- Passo 4. Saucepan — evoluiu de — Pottery. The first pots were ceramic.
- Passo 5. Pottery — utiliza — Kiln. Firing in a kiln makes clay strong.