N'ihi mmetụta nke covid-19, enweela ụkọ mgbawa n'ụwa niile, na-ebute mmụba nke ọnụ ahịa nke ọtụtụ ngwaahịa, ọnụ ahịa na-abawanye, yana obere ngwa ahịa nke na-ebelata.Ọtụtụ ụlọ ọrụ nwere nnukwu ụkọ ngwaahịa, dị ka Siemens, Delta, Mitsubishi ...
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