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protection unit stresses
astronaut.	блок защиты
forestr.	охраняемая территория
telecom.	резервный блок (oleg.vigodsky)

protection unit: 57 phrases in 23 subjects

Aeronautics	1
Astronautics	2
Automated equipment	2
Automatic control	5
Aviation	2
Ecology	1
Electrical engineering	1
Electronics	3
Energy industry	1
Firefighting and fire-control systems	1
Law	1
Lighting other than cinema	2
Military	2
Oil / petroleum	1
Oil and gas	4
Oil and gas technology	1
Radiolocation	1
Refrigeration	1
Security systems	1
Technology	14
Telecommunications	8
Transport	1
United Nations	1