 |
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| human origin (MichaelBurov) | |||
| artificial origin | |||
| artificial origin (насаждения) | |||
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human-made (ART Vancouver); man-made (Potato Hill is an almost perfectly symmetrical conical formation just south of the city's lake. When I was young, I imagined that it might be man-made, but was so large that that thought never occurred to anyone else.  coasttocoastam.com ART Vancouver) | |||
| искусственное происхождение: 12 phrases in 8 subjects |
| Astronautics | 3 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Geophysics | 2 |
| Nuclear and fusion power | 1 |
| Plastics | 1 |
| Technology | 2 |