Currently, I have holds a PhD in physics obtained from the Faculty of Sciences of Tunis – University of Tunis El Manar, it is with interest that I withdraw your ad for your request for physical science teachers. Then I you send you my candidacy to join the post of professor of physical science at your school.
I must inform you that I have taught before. So I have a significant experience in teaching and I enjoy a theoretical and general knowledge in the context of pedagogy, which allows me to apply for this position.

Enclosed please find my CV.
Hoping that my candidacy retains your attention, please, accept, Sir, my highest consideration.