Ugovor sadrži nekoliko klauzula uključenih na insistiranje radničkih sindikata koji predstavljaju radnike u tri fabrike Bulgartabaca koje rade -- u Sofiji, Blagoevgradu i Plevenu.
The contract has several clauses included at the insistence of labour unions representing the workers in Bulgartabac's three working factories -- in Sofia, Blagoevgrad and Pleven.