Of a divorce

In addition, the appearance and causes of defects were classified depending on their sources: disadvantages in the structure; disadvantages in calculating theoretical justifications of design solutions; retreat from current regulatory documents; the use of imperfect materials and mechanical equipment; incomplete registration of operating conditions or underestimated requirements for them by customers; low quality of construction and installation works and manufacturing of structures; low level of maintenance and operation of a divorce span.Modern. Optimal prices.