text -1 150 This indicator shows the rate of
text -1 160 change of technology.

text -1 200 It shows the change over the previous 12
text -1 210 months. If the arrow is pointing upwards
text -1 220 and is green, the tech level increased
text -1 230 in the past 12 months. If it is pointing
text -1 240 down and red, the tech level fell.

text -1 255 The larger the arrow,
text -1 265 the greater the change.
