Assertion: flax's fiber | /r/CapableOf | use heat
Facets:
Source sentences:
text: To process each plant, we decorticated the stalks by hand to separate the outer raw fiber from the inner woody core, then degummed the raw fiber using heat and a solution of water and alkali to remove lignin and other binding substances, and washed, dried, and carded the fiber into clean, spinnable fiber.