Verified Certificate

Supported by the following organizations

This is to certify that duclair atonfack tsana successfully completed and received a passing grade in CNC.ETRRx: Introduction to Computer Numerical Control a course of study offered by TenarisUniversity, an online learning initiative of TenarisUniversity.

Noted by

Horacio Galli

Horacio Galli

Director TenarisUniversity

Santiago Bonfanti

Santiago Bonfanti

Director Roberto Rocca Technical School

About edX

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About edX Verified Certificates

An edX Verified Certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines, as well as having their photo ID checked to verify their identity.