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Card 6

Front

How is linen's slight lustre produced?

Back

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Card 7

Front

What are the cross markings called?

Back

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Card 8

Front

Where does silk come from and what is it made by?

Back

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Card 9

Front

Describe the silk filament

Back

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Card 10

Front

What is the cross-section of silk like?

Back

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Card 11

Front

How is silk's lustre achieved?

Back

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Card 12

Front

What helps wool to repel water?

Back

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Card 13

Front

What causes wool to matt and felt?

Back

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Card 14

Front

How are viscose fibres set?

Back

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Card 15

Front

What does viscose have along its length?

Back

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