"Stained grains" means grains which have undergone, on a small area of their surface, an obvious change in their natural colour; the stains may be of different colours (blackish, reddish, brown); deep black striations are also to be regarded as stains.
Olen mukana vaihdossa, jos saan välähdyksen, he ovat Fulcrumista, jos eivätEurLex-2 EurLex-2