*Vertices 2
1 "treatment of water, waste water, sewage, or sludge" 0.0 0.0 0.0  x_fact 0.000000 y_fact 0.000000
2 "earth or rock drilling; obtaining oil, gas, water, soluble or meltable..." 0.0 0.0 0.0  x_fact 1.386294 y_fact 1.386294
*Matrix
1.000000 0.816497
0.816497 1.000000