Renewing corrosion damages on arch and pillars of concrete bridge Maslenica on A1 highway in Croatia view of civil construction in sao paulo, brazil Crane and building construction site against blue sky close up of block of apartments under construction close up of block of apartments under construction closeup hand of worker plastering cement at wall for building house Renewing corrosion damages on arch and pillars of concrete bridge Maslenica on A1 highway in Croatia Crane and building construction site against blue sky road currently under construction at several levels to increase traffic Construction site of new multi-storey residential building, industrial construction crane and other industry equipment.