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Principal Stresses #2: Absolute Shear Stress (in Hindi)
sir aap smjha achhe se rhe ho bt dictate krne k time me jo rough work aap krte ho wo hr steps me erase ho jata hai to wo kanhi na kanhi smjhne me affect krta hai. wo dictate kiye huye sare samne rhte to achha hota. BTW thank you so much