Key:content
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Description |
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To describe the contents of a feature used to store materials. ![]() |
Group: properties |
Used on these elements |
Documented values: 21 |
Useful combination |
See also |
Status: de facto |
Tools for this tag |
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The key content=* can be added to features used to store materials to declare the contents of the feature. It is commonly used with man_made=bunker_silo, man_made=silo and man_made=storage_tank.
Values
Tags | Description | Photo |
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content=water | Water. | |
content=drinking_water | Drinking water. | |
content=chemicals | Chemicals. | |
content=oil | Oil. | |
content=fuel | Liquid fuels, i.e. gasoline, diesel or heating oil | |
content=propane | Propane. | |
content=oxygen | Oxygen. | |
content=nitrogen | Nitrogen. | |
content=liquid_nitrogen | Liquid nitrogen. | |
content=hydrocarbons | Hydrocarbons (generic tag). | |
content=gas | Generic tag for any ![]() |
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content=natural_gas | Natural gas (mostly methane). | |
content=biogas | ![]() |
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content=LNG | ![]() ![]() ![]() |
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content=LPG | ![]() ![]() ![]() |
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content=ngl | Natural Gas Liquids (![]() |
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content=silage | Silage. | |
content=manure | Manure. | |
content=wine | Wine. | |
content=beer | Beer. | |
content=sewage | Sewage. | |
content=slurry | Liquid manure/Slurry | |
content=wine | Wine. | |
content=crop | Crop. Also add crop=* | |
content=salt | Salt. | |
content=hot_water | Hot water. | |
content=wastewater | ![]() |
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More values can be found at taginfo |
Avoid tagging something with content=unknown. It's better to wait until the actual content is surveyed.
Possible mistakes
Both contents=* and storage=* tags are in usage. As the semantic difference is insignificant, it is recommended to focus on content=* used by the majority of mappers.
See also
- substance=* - similar key, used for pipelines and related facilities
- inscription=* for textual content on signs
- capacity=* for the size of a storage facility