The surface fibers of the yarn become disordered and coarse.

纱线的表层纤维的排列变得紊乱、毛糙。

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In this thesis, the influences of the yarn surface fibers, wool treatment and cover factor of knitted fabric on the prickle of wool knitted sweaters' collars were studied.

本论文主要研究纱线表面毛羽、羊毛处理方法和针织物的覆盖系数等对羊毛衫领圈刺痒感的影响，目的是指导男士羊毛衫领圈材料的选用。

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When a player gets hit, the Kevlar fibers stretch and spread the force evenly across the surface, suppressing the shock.

FORBES: Meet The Bullet-Resistant Sports Clothes Breaking Your Fall

Luckham and Torres milled down old fabrics and mixed the fibers with a polymer, then added a solvent that would evaporate before the formula hit a surface and turned solid on contact.

FORBES: Fashion In A Can: The Clothes You Can Spray On