Additional information
Triz Description | 39.1: Replace a normal environment with an inert one. |
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Image sources | critics urge focus on safety.”, D. (19 JUN 2014). “As pipeline production soars in Minnesota, https://www.mprnews.org/story/2014/06/19/as-pipeline-production-soars-in-minnesota-critics-urge-focus-on-safety#gallery Kraker |
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