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protection ground stresses
telecom.	защитное заземление (oleg.vigodsky)

protection ground: 54 phrases in 17 subjects

Automatic control	1
Construction	3
Ecology	2
Electrical engineering	6
Electronics	5
Energy industry	1
Firefighting and fire-control systems	1
Makarov	5
Measuring instruments	4
Military	1
Nautical	1
Oil / petroleum	1
Oil and gas	1
Power system protection	1
Programming	2
Technology	18
Transport	1