[Class : 19] Storage Tanks [Structures], Not Of Metal; Settlement Tanks, Not Of Metal; Storage Tanks Of Masonry; Stand Tanks (Non Metallic; Tanks Of Masonry; Masonry Tanks; Liquid Storage Tanks Of Masonry [For Industrial Purposes]; Liquid Storage Tanks [Structures] Made Of Masonary Or Wood; Water Tanks (Non Metallic) Structures]; Building Materials Of Concrete Reinforced Wit...