Margaret Bourke-White, Blast furnace cleaner Bernice Daunora, part of the top gang at Carnegie-Illinois Steel Corp., wearing protective breathing apparatus fr. escaping gas fumes, 1943

A woman, Bernice Daunora, wears a helmet, goggles on her forehead, and a breathing apparatus that covers her nose and mouth.

Gelatin silver print. LIFE Picture Collection. Photo by Margaret Bourke-White. © LIFE Picture Collection.