There will have to be rigid and iron discipline before we achieve anything great and enduring, and that discipline will not come by mere academic argument and appeal to reason and logic. Discipline is learnt in the school of adversity.

- Mahatma Gandhi

Engineering

Engineering - How to use simple machines - आवाज DIY वाद्यांचा .....वाद्यांचा अभ्यास करू आणि वाद्यही बनवू

 
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