self-testing
self-threading
self-timed
self-timer
self-timing
self-transmissible
self-trapping
self-triggering
self-tuning
self-twist
  self-twist-twist
self-unloading
self-ventilated
self-verification
self-weight
selling
selsyn
selvage
selvagee
selvedge
semantic

    self-twist-twist yarn

    дополнительно кручёная самокруточная пряжа