Deg uselmed s tzemmar, aseɣti n usenfali s tira yesɛa azal ameqqran deg ukala (processus) n uselmed / almad. Iswi n useɣti n usenfali s tira-agi, d aseqɛed n ufaris n yinelmaden s usemres n tefliwt n uktazal.