Year (1) Walking (1) Vocational qualifications (1) Time (1) Teaching (1) Teachers (1) Shoring and underpinning (1) Possibility (1) Peer teaching (1) Necessity (Philosophy) (1) Industrial arts (1) Gait in humans (1) Experience (1) Evidence (1) Basic education (1) Teachings (1) Students (1) Training of (1) Apuntalamiento y apeos (1) Cualificaciones profesionales (1) Necesidad (Filosofía) (1) Posibilidad (1) Profesores (1) Experiencia (1) Tiempo (1) Étaiement (1) Environnement (1) Enseignement (1) Dispositif (1) Temps (1)