ụlọ nyocha ụlọ okpomọkụ

Mkpọchi ndụ ule igwe

Ekwesiri ọnwụnwa

Electrostatic orùrù generator

Ugboro abụọ projector

Igwe laser

Nnwale ihe nyocha nnu

Mkpọchi ndụ ule

Gburugburu ụlọ ọrụ