Gụnyere obere carbon nchara, igwe anaghị agba nchara, efere aluminom, efere ọla kọpa, efere nickel, aluminom na akwa magnesium na efere metal ndị ọzọ Anyị kwere nkwa na anyị ga-anapụta ngwongwo ahụ n'oge.
Ee, anyị nwere ike ịnye gị ihe nlele maka ule gị. Enwere ike ịhazi ya ịlele.
Enwere ngwugwu dị iche iche maka ngwaahịa anyị. Nọmalị, anyị nwere ọtụtụ ụdị nke mbukota: waterproof akwụkwọ n'ime na osisi ikpe n'èzí; akwụkwọ mmiri na-adịghị mmiri / akwa mmiri na-enweghị mmiri, wee pallet; ngwaahịa na mpịakọta na Ada Ada fim na kpara akpa.
Onu kacha nta nwere ihe dị iche iche achọrọ na ngwaahịa dị iche iche