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protection line stresses
oil	стадия линия защиты
telecom.	резервная линия (oleg.vigodsky)

protection line: 58 phrases in 17 subjects

Automated equipment	5
Caspian	2
Communications	1
Construction	1
Electrical engineering	5
Electronics	4
Energy industry	3
Energy system	1
Firefighting and fire-control systems	1
Household appliances	1
Lighting other than cinema	2
Makarov	1
Military	1
Power system protection	3
SAP tech.	1
Technology	7
Telecommunications	19