4 Inexpensive reflective louvre blades. Labels: Solar cooker technology innovations. Friday, August 12, 2011. SOLAR COOKER AT SCHOOLS. Vincent NNANNA has successfully concluded working tour of parts of Ohafia Educational sub-zone in Abia State Nigeria conducting on-hands solar cooker training of students and teachers of selected secondary schools. Above video shows students of Federal Government College building their own solar cookit. Links to this post. Friday, August 05, 2011. Links to this post.