Informational ensuring of equipment and operational activity. System «man-information». Formalized iconic graphic information for carrying out human-information interactions of linguo-semanticized activities
Occupational safety standards system. Personal protective equipment against falls from a height. Low stretch kernmantel ropes. General technical requirements. Test methods
United power system an disolated power systems. Relay protection and automation. Automatic voltage regulators of strong action of synchronous generators. Testing and checking the settings
€10
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