On February 1, a contract between Architectural Glass Manufacturers Union “Vitrobud” in Sandomierz and “Polimex Cekop Warszawa” was signed to conduct preparatory works to gain a license to produce glass using float technology from Pilkington Ltd. The initial agreement regarding float line building between “Polimex Cekop” and the Architectural Glass Manufacturers Union “Vitrobud” was reached on June 27, 1975.