Today Friday, March 10, 2023, was held at the college Polyvalent Bilingue Saint Joseph Calasanz in Bandjoun (West – Cameroon), the 2023 open day. It was the perfect opportunity for our children to present their know-how. In the world. There are several workshops here: electronics, masonry, ESF (Social and Family Economy), F1; (mechanical manufacturing), F4 (Meca auto workshop), Workshop f8 health sciences, electricity and many others. We distinguish here several works produced by the students such as the construction of a pond for fish farming, the making of clothing accessories (handbags, shoes, etc.), the assembly of electrical circuits, etc.