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Helicopter Oxygen System stresses
abbr., scottish	HOS

Helicopter: 1674 phrases in 63 subjects

Abbreviation	1
Aerohydrodynamics	27
Agriculture	2
Alpine skiing	1
American usage, not spelling	2
Architecture	2
Armored vehicles	2
Astronautics	8
Aviation	209
Aviation medicine	7
Caspian	2
Cinematography	1
Construction	11
Diplomacy	2
Disapproving	1
Drilling	2
Economy	5
Electronics	1
Euphemistic	1
Facilities	1
Figurative	2
Firefighting and fire-control systems	3
Forestry	5
General	38
Geophysics	8
Helicopters	6
Human resources	4
Industry	3
Informal	6
Lasers	1
Logistics	2
Makarov	21
Mass media	1
Mathematics	1
Medical	5
Medical appliances	2
Meteorology	3
Military	1023
Military aviation	19
Nanotechnology	2
NATO	1
Natural resourses and wildlife conservation	2
Nautical	45
Navigation	1
Navy	8
Oil / petroleum	3
Oil and gas	6
Oil and gas technology	2
Oilfields	4
Politics	1
Production	1
Quantum electronics	2
Radio	1
Sakhalin	6
Sakhalin A	2
Security systems	6
Slang	3
Technology	131
Telecommunications	2
Trademark	1
Transport	1
Travel	1
United States	1