Assertion: spark plug | /r/HasProperty | electrical device
Facets:
Source sentences:
text: A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.
text: A spark plug is an electrical gadget that fits in the engine cylinder head, and its job is to spark ignition of the fuel to create combustion within your engine.