The work shown below is part of a compilation of experiences, experiences and activities carried out at Colsubsidio Nueva Roma IED, in which an internship was carried out with 10th and 11th grade students belonging to the joint With the SENA in the Technical training program in Chemical Samples analysis. The purpose is to contribute to the student's process as an analyst of chemical samples and the impact of the SENA program in the formation of life project and in the beginning of their professional life; Starting from the discourses generated in the classroom, in the laboratory and in the industry that are immersed in their practical work.