Laboratory of Materials Mechanical and Hydraulic;
Polytechnic School of Thies;
Thies;
Senegal;
Laboratory of Tribology and Dynamics of Systems;
CNRS UMR 5513;
Lyon;
France;
University Institute of Technology IUT/UT;
University of Thies;
Thies;
Senegal;
Aluminum; Alloys; Recycling; Cooking; Utensils; Chemical; Analysis; Salt; Water; Vegetable; Oil;