Mmepụta ọkachamara nke ihe nkesa centrifuge na igwe ọgwụ - Zonelink
Anyị arụọla ọrụ n'ichepụta ihe karịrị afọ iri atọ, anyị enweghịkwa ike inye gị igwe otu ahụ, kamakwa anyị nwere ike inye gị usoro zuru oke.