1. The upper third of the tower features an inverted parabolic arch . 2. The parabolic arch has been associated with church architecture since at least the 1880s. 3. Of all arch types, the parabolic arch produces the most thrust at the base. 4. The bellchamber is of concrete, formed of eight parabolic arches . 5. The length of the church is divided into bays by the exposed parabolic arches . 6. It was designed by the architectural firm of De Sina & Pellegrino as a parabolic arch . 7. It is not a parabolic arch . 8. The pedestrian and cycle pathway is an almost-horizontal curve, suspended above the river from a just-beyond-the-vertical parabolic arch . 9. Say " roof " instead of " parabolic arches which form the main shielding elements over the playing area ." 10. Compressors at each end of the bridge's two parabolic arches could inflate the entire structure in less than 5 hours. 
Mobile