Ferro , by candido portinari , 1938 , genre painting , Social Realism style
A painting of a man working in a factory.
A painting of men working in a factory.  The men are wearing white uniforms.  One of the men is holding a large piece of wood in his hands.  Another man is bending over a wooden box.  There is a large metal bucket with a chain hanging from it in the bottom right corner of the painting.  Two large windows are in the background.  A man is standing in front of one of the windows.