põlluviljast (pms. teraviljast) seemnete ehk terade eemaldamine
thresh - to separate grains from stalks and seedheads of plants: in wheat and rye, the chaff is easily removed from the grain; in barely, only the awns are removed
Work on the holding includes all the work of organization, supervision and execution, both manual and administrative, done in connection with the normal running of the holding, e.g. ... storage, market preparation and processing on the farm (ensiling, threshing, packing, etc.) ...