Concrete useGymnastic hall (bare concrete wall) 6:43 PMConcrete useIndoor useOutside usePublic worksWindow/Glass materials
Outside useExternal wall Following photo is the building surface condition after 10 years.White tile surface is non-stain condition 6:23 PMOutside useWindow/Glass materials
Indoor useMetro vehicle 6:09 PMIndoor useOutside usePublic worksSpecial machineVehicleWindow/Glass materials