/// <summary>
/// Injects the time into each measurement.
/// </summary>
/// <param name="date">The time at which the measurement was taken.</param>
public void AddDates(DateTime date)
{
Houses.ForEach((House house) => house.CreatedAt = date);
Pipes.ForEach((Pipe pipe) => pipe.CreatedAt = date);
Sources.ForEach((Source source) => source.CreatedAt = date);
}
