What is the implementation of the principles of the Obieg Obiek Closed Economy in practice, where to start and what decided to win the actions undertaken jointly – we are discussing all this with Isabella Banaś, deputy manager at PARP, Pawła Dziekoński, vice president of FAKRO Sp. z o.o. and Bartłomiej Baudler, managing manager of Primo Profile Sp. z o.o.