| Etching of wafer, etching gases mix, semiconductor industry average; etching; production mix | LCI result | KR | Materials production / Other materials | 2023 | 2027 | |
| Hydrogen; from proton exchange membrane (PEM) electrolysis, at plant | LCI result | Nation | Materials production / Other materials | 0 | 0 | |
| Hydrogen; from steam methane reforming, small scale, at plant; SMR; Single site; H2 (99.999%,30bar) | LCI result | KR | Materials production / Other materials | 2024 | 2028 | |