Spark Plug

I want to introduce with my topic spark plug. I’m going to be talking about spark plug construction, damage and facts that spark plugs can resist.
I have devided my presentation in 3 parts. In the first part I’m going to describe spark plug construction and materials. After that I’m going to look at spark plug damages. And finally I’m going to tell about some interesting facts.
Background
2 The purpose of a spark plug is to provide a place for an electric spark that is hot enough to ignite the air/fuel mixture inside the combustion chamber of an internal combustion engine. This is done by a high voltage current arcing across a gap on the spark plug.…