The Central Association of German Seaport Operators (ZDS) has presented an offer in the wage dispute over the pay of port workers. It includes two options with different terms, each with a significant real wage increase, the association announced on Saturday. The trade union verdi announced that it would now present the offer to its members for a vote. The ZDS and verdi spent two days in the northern port city of Bremen negotiating pay for around 11,000 employees from Hamburg, Bremen and the state of Lower Saxony. It was already the fourth round of negotiations in the wage dispute. The wage di…