The historical records of the Macedonian Explosives Industry (MAVIEK) SA were donated in 2017 by Despina Zisopoulou-Kouskurani-Ditsiou to PIOP. They include three folders with factory licenses, engineering, topographical, other drawings and photographic material of factory facilities, as well as factory operations from the period 1949-1990 of the explosives manufacturing company, which was founded in 1949.
