Automobile Engineering in ME
A laminated glass upon cracking

Bursts into sharp edged fragments
Bursts into granular pieces
Breaks into the form of crystals
Sandwiched layer traps the fragments

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Automobile Engineering in ME
It is necessary to maintain the valve clearances as they

Make the crankshaft turn smoothly
Increase the speed at which the valves move up and down
Allow for lengthening of the valves owing to the heat of combustion
Reduce the resistance to sliding that occurs between the cam and the tappet

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