min="1" max="10"
min="1" max="10" low="2" value="3"
min="1" max="10" low="2" high="5" optimum="8" value="3"
min="1" max="10" value="5"
low=".25" optimum=".15" high=".75" value=".5"
low=".25" optimum=".2" high=".75" value=".8"
value="1"