Woodblock printing e oil lamp: o que têm em comum
- Passo 1. Woodblock printing — evoluiu para — Movable type. Bi Sheng replaced the solid block with individual pieces of type.
- Passo 2. Movable type — é feito de — Argila. Bi Sheng’s type was made of fired clay.
- Passo 3. Argila — é material para — Oil lamp. Later — clay ones.