Ọ bara uru maka oriọna onye mmepụta ma ọ bụrụ na enwere ike iji aka gị mee ya? ?
Ihe / nkọwa:
- Edison Ìlù-elu-;
- Osisi na-ekpochasị;
- White mod;
- Ihe ojoo;
- nchara.
Ngwá ọrụ:
- igwe eji egwuri egwu;
- clamps;
- electrolovik;
- Nchedo onwe onye pụtara;
- Bulgarian;
- Sander;
- Ọkpụkpụ.