Spark Plug Construction
A spark plug is composed of a shell, insulator and the central conductor. It passes through the wall of the combustion chamber and therefore must also seal the combustion chamber against high pressures and temperatures without deteriorating over long periods of time and extended use.
Read more about this topic: Spark Plug
Famous quotes containing the words spark and/or construction:
“I do not wish to lose my temper because very shortly I will lose my head. Nevertheless, upon leaving this spark of earthly existence, I have this to say: I shall see you all very soon ... very soon.”
—Charlie Chaplin (1889–1977)
“No real “vital” character in fiction is altogether a conscious construction of the author. On the contrary, it may be a sort of parasitic growth upon the author’s personality, developing by internal necessity as much as by external addition.”
—T.S. (Thomas Stearns)