Water heater

https://www.wikidata.org/wiki/Q27098513

Field Hierarchy

Parent
Engineering 23.9M papers	Geology 9.1M papers	Mechanical engineering 5.3M papers	Oceanography 2.4M papers
Geomorphology 904k papers		Inlet 110k papers
Current
Water heater 2,721 papers
Child
Storage water heater 1,877 papers

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History