Construction Materials - Code Dk 021:2015 – 44110000-4 (Lot #1 – Straight Brick Sha 1-1 #5, Fireclay Mortar Мш-28, Straight Ribbed Brick Sha 1-1 #44; Lot #2 – Refractory Brick Sha-94, Alumina Cement Гц-40; Lot #3 – Light Fireclay Brick Shl-0.4 No. 5)