Kuddeɣ as amădăl s taɣissa net a han ti ifruɣăn n +8,848 m (Adaɣ wan Everest) d -10,984 (Marianas Trench), afruɣ wan geoid ɣur itărtăran win ellipsoid ɣur +85m (Iceland) har -106m (India tan tamasna), a orăkan fuk i 200m