sentences:  Two years later he assumed ownership of the mill and independently managed it, together with the adjacent farm.Since 1928, he worked in various professional organizations of millers, including the Millers’ Association, Trade Millers’ Alliance of Czechoslovakia, Czech Territorial Union of Millers and the Central Union of Millers in Czechoslovakia of which he became executive secretary.He also founded the Millers’ Cooperative and became its vice president.