![Green and gold coloured printed circuit board.](http://static.sciencelearn.org.nz/images/images/000/001/675/full/UV_TEA-ACT_11_im6_Make_a_Printed_Circuit_Board_20July08.jpg?1674166590)
In the process of producing their boards, students apply UVA light to cure a thin coating of UV-sensitive material that covers the copper.
In the process of producing their boards, students apply UVA light to cure a thin coating of UV-sensitive material that covers the copper.