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незащищённый adj. stresses
gen.	exponiert; ungedeckt; ungeschützt; ungesichert
automat.	offen (об исполнении)
avia.	schutzlos; unverkleidet (напр., кожухом)
el.	offen
law, patents.	ohne patentrechtlichen Schutz
mil.	deckungslos

незащищённый: 52 phrases in 22 subjects

Agriculture	2
Automated equipment	1
Banking	1
Chemistry	1
Computers	2
Construction	3
Electrical engineering	1
Energy industry	9
Figurative	1
Food industry	2
General	7
Law	3
Metalworking	1
Microsoft	2
Military	4
Natural resourses and wildlife conservation	2
Navy	2
Oil / petroleum	1
Road works	1
Shipbuilding	1
Technology	3
Welding	2