The development of the pit itself is nothing more than his digging. However, despite the fact that everything, it would seem so simple, is one of the most important and complex stages of work. The point is not only that digging the earth can be difficult, but also that the quality and reliability of the built building will depend on the quality of its foundation — the foundation, and it, in turn, will depend on how well and thoughtfully he was thoughtful Dry the pit.