Engineering Wonder of Bolts

A science student had always known its power, specially mechanical engineers have known the use and outputs received from various mechanical goods around us. We see great marvels of engineering: levers, pulleys, ramps, Rivet, pliers, fans, mechanical press, windmills. Every things out there is related to mechanics and physics.

We come across so many things that are bolted to each other on just simple Rivets. Cars, Bus, Trucks, Hydroplanes, Heavy Machines, Railway Coaches, You name it and you see it. So many bridges hang on steel reinforced with joints made of bolts.

Its the only reason why humans are surviving. Science...