Leḥsab n lḥess n lhawa yettɛeddayen deg unagraw n usnuffes n wawa
F - Talɣa n tɣerɣert n kanal n lhawa. Asekkil neɣ d aɣezfan.
D - Taɣect n uẓeḍḍa.
X - Width n tmeẓẓuɣt n tmeẓẓuɣt.
Y - Lqedd n yiwen n uẓeḍḍa n uswir.
E - Tazmert n lhawa, deg tesdidt.
Tizemmar n wahil.
Leḥsab n lḥemla n lhawa yettɛeddayen deg tmeẓdit n usfugel.