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  • Welding of steel structures.
  • Mechanic working in his workshop
  • Architectural drawings
  • electrician
  • сварка 36
  • Metal worker in factory grinding metal of pipeline
  • Worker in factory at industrial metal cutting machine
  • Montage von Schaltschränken // Installation in HiTech factory
  • Engineer in the factory
  • Сварка 37
  • Factory Engineer Operating Hydraulic Tube Bender
  • under construction
  • Professional welder posing with wellding machine
  • Schweißer einer Werkstatt schweißt Metall
  • Panele podłogowe
  • Printing processes
  • photovoltaic
  • Technician in factory at machine maintenance
  • Asbest - asbestos 05
  • Schraubenschlüssel phasenprüfer
  • Older employee
  • Carreleur en action
  • Woman working on production line
  • Trabajadores de amianto
  • construction site
  • Narzędzia budowlane
  • erfolgreicher Manager einer Logistikfirma im Warenlager
  • Techniker kontrolliert Heizungsanlage in d. Industrie
  • carrossier - cabine de peinture
  • surveyor equipment theodolie outdoors
  • carreleur
  • Asian forklift truck driver and foreman in storage
  • Two Engineers At Construction Site
  • Man laying thermal insulation layer
  • Portrait of an happy worker in a factory
  • Mann scannt Pakete mit Waren im Versandzentrum ein
  • Concept logistique
  • photovoltaic
  • Man laying thermal insulation layer under the roof
  • Construction engineers meeting on site
  • Pakete und arbeiter im Warenversand eines Onlinehandels
  • Engineer Teaching Apprentice To Use Milling Machine
  • Smiling woman working in warehouse
  • Wände streichen
  • Powder coating
  • Senior man doing woodworking
  • construction worker pouring cement or concrete with pump tube
  • Using a tape measure
  • Elagueur Soleil
  • Roofer Working On Exterior Of New Home
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