Public domain photos

The image shows a black and white photo of a machine in a factory, with a ladder on the left side and a wall in the background. The machine appears to be a flange, which is a type of valve used to control the flow of liquids or gases.

The image shows a black and white photo of a machine in a factory, with a ladder on the left side and a wall in the background. The machine appears to be a flange, which is a type of valve used to control the flow of liquids or gases.Open in library