Bridge maintenance

https://www.wikidata.org/wiki/Q4966399

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Engineering 25M papers	Philosophy 22.3M papers	Mathematics 21.8M papers	Materials science 18.5M papers
Sociology 13.3M papers	Geology 10.4M papers	Composite material 8.7M papers	Epistemology 5.7M papers
Structural engineering 2.6M papers		Oceanography 2.6M papers
Current
Bridge maintenance 1,279 papers
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