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: 38 phrases in 14 subjects

Aerohydrodynamics	3
American usage, not spelling	1
Astronautics	1
Aviation	2
Geology	1
Hydrology	1
Makarov	6
Nanotechnology	2
Natural resourses and wildlife conservation	5
Nautical	7
Navigation	2
Oceanography & oceanology	3
Oil / petroleum	2
Water resources	2