underwater hydraulic-operated cutter drive gear

underwater: 1178 phrases in 56 subjects

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Agriculture	3
Air defense	10
Artificial intelligence	1
Astronautics	2
Automobiles	2
Aviation	45
Bridge construction	23
Chemistry	3
China	1
Company name	4
Construction	3
Consulting	2
Drilling	2
Earth sciences	37
Ecology	2
Economy	1
Electric machinery	1
Electronics	71
Engineering geology	18
Environment	1
Explosives and Explosive Ordnance Disposal	67
Fishery fishing industry	1
General	37
Geology	2
Geophysics	5
Hunting	1
Hydroelectric power stations	20
Information technology	2
Metallurgy	11
Mining	1
Multimedia	1
Nautical	16
Navigation	69
Nuclear and fusion power	3
Oil / petroleum	84
Plastics	8
Polymers	1
Project management	1
Rail transport	4
Rowing	1
Rugby football	1
Scuba diving	23
Securities	5
Shipbuilding	7
Space	73
Sports	9
Submarines	39
Swimming	8
Technology	429
Telecommunications	5
Transport	2
United Kingdom	1
United Nations	1
United States	4
Wind Energy	1