photorealistic rendering of a public works training facility all brand new construction with semi reflective sealed concrete floors no grime no rust no mess add 3 maintenance workers one of whom is black one of whom is asian with safety vests safety glasses and gloves add a toolbox in the background on the left side maintain the yellow railings and ladder where they occur add industrial white insulation to the underside of the roof the ducts overhead are a dull silver color the large dark pipe in the middle of the image is a dark steel pipe make it look photorealistic and add some bolts only on the flanges no bolts on the vertical portion of the steel pipe
