Welding in a Tunnel Construction Site
Keywords
welding,
men at work,
construction site,
spark,
rebar,
helmet,
safety-gear,
metalwork,
underground,
hard hat,
labor,
construction industry,
machinery,
engineering,
technology,
blue-collar,
teamwork,
building,
infrastructure,
construction work,
metal,
construction machinery,
ironwork,
industrial construction