MODERN STATE OF COMPOSITE COATINGS FORMATION PROBLEM Article Yar-Mukhamedova Gulmira, Belyaev Viktor, Mussabek Gauhar, Sagyndykov Azamat 17TH INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC GEOCONFERENCE SGEM 2017. Общество с ограниченной ответственностью СТЕФ92 Технолоджи. 2017. P. 233-240