self-slewing
self-starter
self-starting
self-steering
self-stirring
self-stopping
self-stressing
self-stripping
self-suction
self-sufficient
  self-supporting
self-sustained
self-sustaining
self-switching
self-synchronization
self-synchronizing
self-tapping
self-temperature-compensating
self-tempering
self-test
self-testing

    self-supporting tower

     свободностоящая опора

     мачта (антенны) без оттяжек