2 sentences for 纱 (shā — yarn)

1. 工人们正在车间里忙着络纱。

   gōng​rén men zhèng​zài chē​jiān lǐ máng zhe luò shā.

   The workers are busy winding yarn in the workshop.

   Source: Dong Chinese Dictionary

2. 这种棉纱的韧性很高，适合织布。

   zhè zhǒng mián shā de rèn​xìng hěn gāo, shì​hé zhī​bù.

   This cotton yarn is very tough and suitable for weaving.

   Source: Dong Chinese Dictionary