1. 3 May


    An employee welds a wind tower section at the Enercon Windtower Production AB (EWP) plant in Malmo, Sweden, on Thursday, April 25. Photograph by Linus Hook/Bloomberg

    An employee welds a wind tower section at the Enercon Windtower Production AB (EWP) plant in Malmo, Sweden, on Thursday, April 25.

    Photograph by Linus Hook/Bloomberg

     

  2. 21 Mar


    Welder David Warner works on a joint between two sections of pipe during construction of the Gulf Coast Project pipeline in Prague, Oklahoma, on March 11. Photograph by Daniel Acker/Bloomberg

    Welder David Warner works on a joint between two sections of pipe during construction of the Gulf Coast Project pipeline in Prague, Oklahoma, on March 11.

    Photograph by Daniel Acker/Bloomberg

     

  3. 25 Feb


    Steve Fossum tack welds a ventilation duct as it is assembled at the Giese Manufacturing Co. in Dubuque, Iowa, on Feb. 14. Photograph by Daniel Acker/Bloomberg

    Steve Fossum tack welds a ventilation duct as it is assembled at the Giese Manufacturing Co. in Dubuque, Iowa, on Feb. 14.

    Photograph by Daniel Acker/Bloomberg

     

  4. 15 Dec


    An employee welds a component of a ship under construction at the Hyundai Heavy Industries Co. shipyard in Ulsan, South Korea, on Dec. 11. Photograph by SeongJoon Cho/Bloomberg     

    An employee welds a component of a ship under construction at the Hyundai Heavy Industries Co. shipyard in Ulsan, South Korea, on Dec. 11.

    Photograph by SeongJoon Cho/Bloomberg     

     

  5. 12 Feb


    A Mexico City Metro employee performs maintenance on a subway train in Mexico City, Mexico, on Tuesday, Jan. 31. Photograph by Susana Gonzalez/Bloomberg

    A Mexico City Metro employee performs maintenance on a subway train in Mexico City, Mexico, on Tuesday, Jan. 31.

    Photograph by Susana Gonzalez/Bloomberg

     

  6. 6 Feb


    Justin Brown uses a cutting torch during the production of flighting, which is the blade portion of an auger, at Flight Manufacturing Corp. in Princeton, Illinois, U.S., on Thursday, Jan. 26. Photographer Daniel Acker/Bloomberg

    Justin Brown uses a cutting torch during the production of flighting, which is the blade portion of an auger, at Flight Manufacturing Corp. in Princeton, Illinois, U.S., on Thursday, Jan. 26.

    Photographer Daniel Acker/Bloomberg

     

  7. 18 Jan


    An employee welds a specialized metal product in the shop at the Amuneal Manufacturing Corp. plant in Philadelphia on Jan. 9, 2012.  Amuneal Manufacturing Corp., founded in 1965, is a metal fabrication company specializing in magnetic shielding and custom fabrication. Photograph by Paul Taggart/Bloomberg

    An employee welds a specialized metal product in the shop at the Amuneal Manufacturing Corp. plant in Philadelphia on Jan. 9, 2012.  Amuneal Manufacturing Corp., founded in 1965, is a metal fabrication company specializing in magnetic shielding and custom fabrication.

    Photograph by Paul Taggart/Bloomberg