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Meaning of Numerology on spanners and wrenches
When I see any spanner then always there is a number on its ends, like 10,11,12... What is the exact meaning of that numbers?
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Petrol Engine
What happen if we pour petrol in diesel engine and vice versa? Explain
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Pressure v/s Stress
Though units for pressure and stress are same (i.e N/mm2)What is the difference between stress and pressure?