In addition, it is impossible not to note the fact that the sand is very in demand in terms of arranging building pillows or grounds, when it is covered by the area that will be used to be used with building purposes. For example, before installing the foundation blocks, a certain layer of sand is poured at the place of their installation, which is leveled and tamped. By the way, sand is very important when arranging paving paths and other pedestrian zones, here it is also used as a material for arranging a pillow.