Felt and plumbing: what they have in common

1. Step 1. Felt — is a kind of — Textile. Felt is cloth without threads: wool is matted until the fibres lock.
2. Step 2. Textile — uses — Loom. Cloth is woven on a loom.
3. Step 3. Loom — includes — Warp-weighted loom. An ancient loom.
4. Step 4. Warp-weighted loom — is made of — Clay. The warp threads were tensioned with clay weights.
5. Step 5. Clay — is material for — Plumbing. Minoan plumbing used ceramic pipes.

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