Horizontal tanks received the most widely used in oil and processing industries, and there is absolutely nothing surprising in this. Of course, such containers can be successfully used in other areas of industry and human activity, but this can be extremely rare to observe. The use of steel tanks in the oil and processing industry is caused by the fact that they are ideal for both the storage of raw oil and ready oil products, the density of which does not exceed a mark of one ton per cubic meter. If the tanks are used in other areas, then they are most often used to store water and act as fire tanks.