a try. some fifty thousand photo meant slabs were installed covering a surface of seven hundred fifty square metres. as a result the nitrogen dioxide levels in the area dropped by a around twelve percent in this case that was enough to bring the area back to within the permitted limit. as it was as if it s if we didn t we are basically satisfied with that result we re currently doing major work in the city center and we ll be using photo meant slabs for around a third of the new road area for them and. the extra cost amounts to three to five euros per square meter. but the photo meant slabs aren t the only option. the scientists at the university of castle are looking into ways of adding touch any i m dioxide to the surface of highways and it s actually possible that the substance could be added to a number of. chairs whether tiled roofs the facades of buildings or noise barriers
a try. some fifty thousand photo meant slabs were installed covering a surface of seven hundred fifty square metres. as a result the nitrogen dioxide levels in the area dropped by a around twelve percent in this case that was enough to bring the area back to within the permitted limit. as it was as it is in fits of we re basically satisfied with that result we re currently doing major work in the city center and we ll be using photo meant slabs for around a third of the new road area for them and. the extra cost amounts to three to five euros per square meter. but the photo meant slabs aren t the only option. the scientists at the university of castle are looking into ways of adding tacheny and dioxide to the surface of highways and it s actually possible that the substance could be added to a number of structures. whether tiled roofs the facades of buildings or noise
a result the nitrogen dioxide levels in the area dropped by a around twelve percent in this case that was enough to bring the area back to within the permitted limit. as it was as it is in fits of us that we are basically satisfied with that result we are currently doing major work in the city center and we ll be using photo meant slabs for around a third of the new road area for them and. the extra cost amounts to three to five euros per square meter. but the photo meant slabs aren t the only option. the scientists at the university of castle are looking into ways of adding titanium dioxide to the surface of highways and it s actually possible that the substance could be added to a number of structures whether tiled roofs the facades of buildings or noise barriers. or a model calculations which look at what would happen if you could add type. to all