What Causes Spark Plugs to Wear Out?

There are multiple causes of wear on spark plugs, find out a bit more behind what could possibly be the ruin of spark plugs

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What is the reason behind the frequent failure of spark plugs? - Quora

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What causes a blown out spark plug? - Quora

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spark plug wear Subaru Outback Forums

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What makes a spark plug not function properly in automobile? - Quora

What makes a spark plug not function properly in automobile? - Quora

How does a worn out spark plug look like? How can I be able to