"Delivery, Installation, Commissioning And Warranty Service Of Furniture For A Classroom, A Discussion Hall, An Amphitheater Hall And A Storage Room For The Construction Of A Stem Center In The Elementary School "Hristo Botev", Rakovski, According To The Procedure Of The Recovery And Sustainability Mechanism Bg-Rrp-1.015 "School Stem Environment" Under The National Plan For Recovery And Sustainability Of The Republic Of Bulgaria"