def new_headers() -> list:
    """Return list of new headers with clean names."""
    return [
        "date",
        "Rohs FB1",
        "Rohs FB2",
        "Rohs gesamt",
        "TS Rohschlamm",
        "Rohs TS Fracht",
        "Rohs oTS Fracht",
        "Faulschlamm Menge FB1",
        "Faulschlamm Menge FB2",
        "Faulschlamm Menge",
        "Temperatur FB1",
        "Temperatur FB2",
        "Faulschlamm pH Wert FB1",
        "Faulschlamm pH Wert FB2",
        "Faulbehaelter Faulzeit",
        "TS Faulschlamm",
        "Faulschlamm TS Fracht",
        "Faulbehaelter Feststoffbelastung",
        "GV Faulschlamm",
        "Faulschlamm oTS Fracht",
        "Kofermentation Bioabfaelle",
        # To be predicted.
        "Faulgas Menge FB1",
        "Faulgas Menge FB2",
    ]