The close cooperation of the Copper Belt with the Wroclaw University of Technology makes the production process to go smoothly. The Republic of Bangladesh recovers after the war. The country is being rebuilt and it wants to develop. A piggy bank travels through many Warsaw's workplaces. The collected money will be devoted for the reconstruction of the Royal Castle. After two weeks of the fund-raiser, over 90,000 zlotys were collected in the Passenger Car Factory.