ụlọ nyocha okpomọkụ

Mkpọchi igwe ule ndụ

Ihe nleba anya ike

Electrostatic mwụsa generator

Quadrate projector

Igwe laser

Nnwale ịgba nnu

Nnwale ndụ ndụ

gburugburu ụlọ ọrụ