grains which, after elimination from the sample of all other matter referred to in this Annex, pass through sieves with apertures of the following dimensions: common wheat 2 millimetres, rye 1.8 millimetres, durum wheat 1.9 millimetres, barley 2.2 millimetres, märgatavalt alaarenenud terad - deformeerunud, krimpunud, kokkuvajunud külgede ja terava seljaga ning minimaalse endospermiga