At construction often it is required to execute fastenings by ropes, however, sometimes, that store do not approach on thickness, flexibility or durability. in such cases of rope twist independently. By the way, designers who do intricate ropes with different drawings actively use this reception.
After some time any base begins to sink. Both changes of situation or condition of soil, and building of new objects near the site, and malfunctions at direct construction can be the reasons. Also the base collapses in connection with decay, because of weather anomalies, for example strong precipitation or temperature drops.