{
    "key": "content",
    "type": "combo",
    "label": "Content",
    "strings": {
        "options": {
            "crop": "Crop",
            "fuel": "Fuel",
            "gas": "Gas",
            "hot_water": "Hot Water",
            "oil": "Oil",
            "salt": "Salt",
            "sewage": "Sewage",
            "silage": "Silage",
            "slurry": "Liquid manure",
            "water": "Water",
            "wine": "Wine"
        }
    }
}