They that work in fine flax - פשתים שריקות pishtim sericoth, heckled flax, i.e., flax dressed on the heckle, or comb used for that purpose. The Vulgate uses the word pectentes, combing.
They that weave networks shall be confounded - And confounden schul ben that wrogten flax, plattinge and webynge sotel thingis. - Old MS. Bible.