3 4
34-rasm.Chok turlari: 1-pastki chok; 2-gorizontal chok; vertikal chok; ship chok.
35-rasm. Chokning ta‟sir etuvchi zo‟riqish kuchlari yo‟nalishiga qarab bo‟linishi: 1 – yonlama
chok; 2 – ro‟para chok; 3 – aralash chok; 4 – qiya chok.
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