Spark plug and Wheeler and dealer

Spark plug noun - Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark.

Wheeler and dealer and spark plug are semantically related In some cases you can use "Wheeler and dealer" instead a noun phrase "Spark plug".

Spark plug and wheeler and dealer are semantically related in comer topic. You can use "Spark plug" instead a noun phrase "Wheeler and dealer", if it concerns topics such as person who makes things happen.