echo " "
echo "		Overview"
echo " "
echo "This demonstration shows: "
echo "1. EKS class taxonomy of principal classes,"
echo "2. A selection of classes from the class taxonomy"
echo "   for building energy simulation models,"
echo "3. An example of the class inheritance mechanism,"
echo "   used in the EKS theory classes,"
echo "4. The EKS architecture,"
echo "5. The EKS at run time."
echo "  "
echo -n "Return to continue... "
read x
