Weaving shuttle e barril: o que têm em comum

1. Passo 1. Weaving shuttle — faz parte de — Loom. It lays the weft.
2. Passo 2. Loom — inclui — Warp-weighted loom. An ancient loom.
3. Passo 3. Warp-weighted loom — é feito de — Argila. The warp threads were tensioned with clay weights.
4. Passo 4. Argila — é material para — Tijolo. Bricks are moulded from clay.
5. Passo 5. Tijolo — é material para — Arco. Arches were built of brick or stone.
6. Passo 6. Arco — funciona como — Barril. Staves squeezed by hoops hold their shape by the same compression as the stones of an arch.

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