St. Petersburg, Rusland - 19 April 2016: Elektricien specialist voert onderhoudswerkzaamheden op een hoge spanning transformator. Lange sonde corrigeert de draden voor aarding. - Stockfoto’s en -afbeeldingen

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

Electrical Engineer imposes temporary grounding on lowering power transformer, to ensure the safety of using an insulating rod.

Electrician impose earth grounding connection on reducing power transformer, using portable earthing insulating stick.

Carrying out maintenance of transformer on the conductor rails by means of insulating rod, electrical engineer impose temporary grounding for safety.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

Vyborg, Russia - 6 April 2012: Electrical engineer from the dashboard controls the electrical parameters and the temperature of the welding machines for metal products

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

St. Petersburg, Russia - April 23, 2019: An employee of the scientific research institute in special uniforms protected from liquid nitrogen works in containers where rare plant seeds are stored.

St. Petersburg, Russia - April 23, 2019: An employee of the scientific research institute in special uniforms protected from liquid nitrogen opens containers where food seeds are stored.

Leningrad, Russia - April 6, 2012: Workers on the production of mesh netting. Production of metal fences and barriers