Weaving shuttle and barrel: what they have in common

1. Step 1. Weaving shuttle — is part of — Loom. It lays the weft.
2. Step 2. Loom — includes — Warp-weighted loom. An ancient loom.
3. Step 3. Warp-weighted loom — is made of — Clay. The warp threads were tensioned with clay weights.
4. Step 4. Clay — is material for — Brick. Bricks are moulded from clay.
5. Step 5. Brick — is material for — Arch. Arches were built of brick or stone.
6. Step 6. Arch — works like — Barrel. Staves squeezed by hoops hold their shape by the same compression as the stones of an arch.

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