KloManager

In order to apply these, one must go into the interior
opinion of a plot. There one can avail oneself of the
following combinations of keys:
Strg + F1: All Klos of the plot is set on the optimal price.
Strg + F2: The state of research with flushings is increased
        by a level.
Strg + F3: The state of research with eyeglasses is increased
        by a level.