semiconductor → MadeOf → thin layers of silicon | 0.29 | |
semiconductor → MadeOf → toxic metals | 0.25 | |
semiconductor → MadeOf → indium | 0.23 | |
semiconductor → MadeOf → copper | 0.20 | |
semiconductor → MadeOf → gallium | 0.20 | |
semiconductor → MadeOf → selenium | 0.20 |