Complex sentence: After its foundation, he worked as a diver in a dredging company in Trieste, later in an Italian consultory company, in 1974 he went to what was Zaire (now the Democratic Republic of the Congo).
Split into simpler sentences: After its foundation, he worked as a diver in a dredging company in Trieste, later in an Italian consultng company. In 1974 he went to what was Zaire (now the Democratic Republic of the Congo).