Gulomiddinov Sarvarjon Gayradjonovich, Akhmedov Tolqin, Mirzaakhmedova Ugiloy Abdukhalimjohnovna and Хaydarov Abduхalil Mutalib Ogli 2021. Primary Protection Of Structures. The American Journal of Engineering and Technology. 3, 12 (Dec. 2021), 34–42. DOI:https://doi.org/10.37547/tajet/Volume03Issue12-06.