Natural fibres

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Across
  1. 3. Insect that produces this fibre (8 letters) - Silkworm
  2. 4. Country known for its historical use of silk in textiles (5 letters)
  3. 5. Process of unwinding silk threads from cocoons (7 letters
  4. 7. Strong, durable fibre used in ropes and textiles (4 letters)
Down
  1. 1. Luxurious, smooth fibre produced by silkworms (4 letters)
  2. 2. Process of removing seeds from cotton fibres (7 letters)
  3. 4. Country known for its ancient silk production and Silk Road (5 letters)
  4. 6. Country known for its high-quality cotton, especially in the Nile Delta (5 letters)