... cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc. 5. The ... surface once, and bake the sheet twice. Application of Colored Steel 1. Construction: (Outside) workshop, agricultural warehouse, residential precast ... retailer booth, roller shutter door (Inside) door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, vent gutter ...