Caused by lightning damage to the external elements of construction of the aircraft. in the form of deformities. burn-through and erosive craters and also hidden defects in the affected area can cause a reduction in the strength of damaged parts. Fatigue tests of samples of rod construction elements damaged by lightning-like electrical discharges showed that for a symmetric cycle of v... https://unitedssports.shop/product-category/bike-accessories-trainers/