More topics under "E02 - Hydraulic engineering; Foundations; Soil-shifting" (172,769) |
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E02B - Hydraulic engineering (36,505) |
E02C - Ship-lifting devices or mechanisms (506) |
E02D - Foundations; Excavations; Embankments; Underground or underwater structures (82,332) |
E02F - Dredging; Soil-shifting (53,426) |