The motto appears on a band roughly coincident with the ecliptic. A singularity exists for coincident observer target, i.e. formula 15. Paraboloidal reflectors that have their centres of mass coincident with their focal points are useful. Neptune also has a faint unnamed ring coincident with the orbit of the moon Galatea. In particular two conics may possess none, two or four possibly coincident intersection points. Some robot manufacturers also mention alignment singularities, where axes 1 and 6 become coincident. The result is equivalent to a coincident stereo recording. Cott called this a special case of a "coincident disruptive pattern". Parts of the Northland Peninsula oppose Morocco, with Whangarei nearly coincident with Tangiers. In general it is coincident with the backhaul network, but subtly different. U.S.-40 is coincident with I-70 west from Topeka. Ali's caliphate was coincident with First Fitna. And again in 1873, this time coincident with expensive building work on his house. These techniques combine the principles of both A-B and X-Y (coincident pair) techniques. "Hyperacusis" is often coincident with tinnitus.