photorealistic render of a maintenance training area new construction no rust no grime no dirt maintain the yellow ladder and railings for safety area new sealed concrete floor semi reflective surface add expansion joints as appropriate to the floor add commercial white insulation to underside of roof deck in between the trusses the large metal tube is dark steel welded at the joints where it changes direction no other welds visible add 4 maintenance workers in yellow safety vests and white hard hats add a toolbox to the back of the room on the left side of the image along the back wall
