nn machi kamal yakhadmou f sa7ra psq chaque specialite o lkhadma nta3ha kima raffinage petrochimie automatisation hadou takhadmi bihom f le nord f skikda wela arziw ...yassama kayen les specialite nta3 labnet tkt pa...en plus les specialite kima thabi nti mais fiha chwiya khbich...salam