| 11. | They had green felted sliders and were not weighted.
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| 12. | It can be felted, but not easily.
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| 13. | The lower end of the extension is felted.
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| 14. | Some invertebrates other than insects construct felted structures.
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| 15. | Their uppers side is dark green and their underside is a grayish green and felted.
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| 16. | Presses can be single or double felted.
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| 17. | It is 24 feet wide, in " worsted wools on a felted ground ".
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| 18. | This machine was a success and produced two sheets of " well felted " paper.
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| 19. | Felted filters contain randomly placed fibers supported by a woven backing material ( scrim ).
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| 20. | A double felted press has both sides of the sheet in contact with a press felt.
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