Ego ole ka m ga-akwụ maka oche ụlọ ọrụ ergomic na oche ntupu? II

oche ntupu nke ọkara

Nke a bụ oche ụlọ ọrụ ntupu nke abụọ anyị, ọnụ ahịa ọnụ ahịa ọnụ ahịa ga-esi na $2X.5-00X.8

Ego ole ka m ga-akwụ maka oche ụlọ ọrụ ergomic na oche ntupu? II-Ngwongwo ụlọ ọrụ NOWA-China, ngwa eji eme omenala nke China,

ọkara azụ ntupu oche