Midvale Company employee Frank Caesario Jr. using spectroscope to observe steel color and gauge temperature, June 1952. Photographer: John Mudd.

Source: Kheel Center, Cornell University / Flickr

Midvale Company employee grinding armor billet, July 13, 1945. Photographer: John Mudd.

Source: Kheel Center, Cornell University / Flickr

Assembling Atlas rockets. Photo: Ralph Crane. In: LIFE Science Library - Matter by Ralph E. Lapp and the Editors of TIME - LIFE BOOKS, 1963 (hungarian edition by Műszaki Könyvkiadó,1973).

View on the Empire State Building and the nocturnal illuminated Lower Manhattan from the R.C.A. Building, which was being constructed at that time, 1932. (Photo by Imagno/Getty Images) 

View of a worker holding reprocessed plutonium recovered from retired nuclear weapons. (9/19/73). - Rocky Flats Plant, Golden, Jefferson County, CO.

Source: Historic American Engineering Record/Library of Congress

Hegesztési varratok lecsiszolása karborondum tárcsákkal, a detroiti Chrysler-gyárban. In: Möller Károly: A mai technika. Királyi Magyar Egyetemi Nyomda, Budapest, 1942.

Chrysler car factory, Detroit.

Javítást csak áramtalanított gépen végezzen!

Hungarian work safety poster, c1970.

Ózdi Kohászati Üzemek Nagyolvasztómű Szocialista Brigád, 1986.

Lithuanian workers stand at a Lada automobile factory September 30, 1989 in Lithuania. Photo by Stephen Ferry/Liaison/Getty.

Russia’s Lada retires ‘classic’ Soviet car

Safety garb for women workers. The uniform at the left, complete with the plastic “bra” on the right, will prevent future occupational accidents among feminine war workers. Los Angeles, California. Acme., ca. 1943

source: U.S. National Archives