Gallik hada wahed tilmid ma3amro ma jaweb wala haz sab3o fhiato fchi 9issem. iwa dazet wahed 10ans wssal l lycée, galess f science swelhom l oustad wahed la question, iwa tilmid 3rafha gal ollah htta njaweb, fach haz sab3o chaddou "clacage".