Dabere na teknụzụ siri ike na ihe karịrị afọ iri na ubi a, anyị nwere oche ndị anyị mebere na usoro nke ukwuu, nke dị elu karịa nke mba na ụlọ ọrụ. Ngwaahịa niile na-agbaze na ul, rohs, CCC, ma ebuga ya na Dubai, Germany, France, United States na mpaghara 30 na mpaghara ndị ọzọ.