Ultrasonic larịị mita maka mgbapụta ụlọ
Ngwa:
mmiri na mmiri na-ekpo ọkụ, ụlọ mgbapụta, nchịkọta nke ọma, tankị mmeghachi omume biochemical, tankị sedimentation, wdg.
Ọkụ eletrik, ogbunigwe, ọdọ mmiri, ọdọ mmiri coal, tankị nchekwa bọta, ebe nkwakọba ihe ma ọ bụ akụrụngwa mkpanaka.
Ụlọ ọrụ nri, ụlọ mmanya, granaries, tankị ihe oriri, wdg.
Dee ozi gị ebe a ziga anyị ya