Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
and background big boiling bolts bridge bridges building buildings color conductors construction control cover design dust electrical electricity engineer engineering equipment factory grating heating industrial iron kiln lime line main maintenance material metal mill mills nuts old paper part pipe pipeline plant pulp rooms service steam steel stream structural system transport two upstairs valve valves vintage walk water wheel yellow