Nkọwapụta:
Chekwa oge, chekwaa ikike mmadụ, Tube n'ụdị ụdị kewapụ isi, ihe dị mfe ihicha.Mfe mmanụ ọkụ na ngwa ngwa.A, L ụdị tripod, ngwaọrụ mgbake ikuku na-ekpo ọkụ, ihe nzacha ọnụ ụzọ mbata ikuku, ihe nzacha ikuku, ihe nchacha cyclone, magnet, ntọala magnetik, gox hopper maka ịhọrọ Europeanization.