Between them, the firms will remove dirt, rust and bubbling from the letters before a rust inhibitor primer is applied along with 1,140 liters of a white, fire-resistant coating.

• 这两家公司的技术人员首先将清除大字表面的污垢、铁锈和气泡，然后粉刷一层添加了防锈剂的底漆，再用1140升白色防火漆将它重新粉刷一新。