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  • Printing processes
  • Welding of steel structures.
  • Architectural drawings
  • Сварка 37
  • Carreleur en action
  • dachdecker
  • epoxy surface for floor
  • Asian forklift truck driver and foreman in storage
  • сварка 36
  • Worker in factory at industrial metal cutting machine
  • Montage von Schaltschränken // Installation in HiTech factory
  • Dangerous accident during work
  • Handyman
  • construction site
  • worker driver at warehouse forklift loader works
  • electrician
  • Woman working on production line
  • Engineer in the factory
  • under construction
  • Wände streichen
  • Man laying thermal insulation layer under the roof
  • construction worker pouring cement or concrete with pump tube
  • Metal worker in factory grinding metal of pipeline
  • Mechanic showing a blank card
  • Mechanician changing car wheel in auto repair shop
  • Using a tape measure
  • carrossier - cabine de peinture
  • Concept logistique
  • Mechanic working in his workshop
  • The mine.
  • Workers on the crane
  • Schraubenschlüssel phasenprüfer
  • Factory Engineer Operating Hydraulic Tube Bender
  • Construction worker tile roofing repair
  • Constructing a wooden patio
  • Professional welder posing with wellding machine
  • Technician in factory at machine maintenance
  • Pose de parquet
  • Trabajadores de amianto
  • Découper le carrelage
  • engineering equipment
  • Construction workers vector silhouettes
  • Lebensmittelindustrie Wurstherstellung // Food Industry
  • Gabelstaplerfahrer in Lagerhalle von Spedition
  • install solar panels
  • photovoltaic
  • Engineer ordering to worker
  • Mycie dachu
  • roofer
  • male worker cleaning business hall
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