Adad agnaw

Adad agnaw d azuk n wejgu  deg uzwu ɣef ugezum-is alemmaẓ,Teflelt-ines (leɛli-nnes) yessaweṭ ar teflelt n tignewt titriklant.
Adad agnaw= 1 atm, Neɣ druɣ 1 Baṛ

 Adad agnaw deg tiggi n yilel  

 Amgarad n wadad agnaw s wemgarad n teflel ɣef tigi n tegnit 

 Tiggtin n wadad