Key:content
| content |
| Description |
|---|
| 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 |
|
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 |
|---|---|---|
| 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 gas. | |
| content=natural_gas | Natural gas (mostly methane). | |
| content=biogas | biogas. | |
| content=LNG | Liquefied natural gas is natural gas (predominantly methane with some mixture of ethane) that has been cooled down to liquid form. | |
| content=LPG | Liquefied petroleum gas refered simply as propane and butane. | |
| content=ngl | Natural Gas Liquids ( condensate) like ethane, propane and butane. | |
| 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 | Wastewater . More general than sewage; e.g. includes industrial and agricultural waste. | |
| More values can be found at taginfo | ||
Avoid tagging something with content=unknown. It's better to wait until the actual content is surveyed.
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
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.
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