[Asia Economy Yeongnam Reporting Headquarters, Reporter Dongwook Park] Civic groups in Daegu are raising concerns about the safety of replaceable nano-filter masks distributed to frontline schools and ...
[Asia Economy Yeongnam Reporting Headquarters Reporter Park Dong-wook] Daegu City announced on the 16th that it has decided to replace the nanofilters in the currently stockpiled replaceable filter ...
Since the outbreak of COVID-19, there's been a worldwide shortage of face masks -- particularly, the N95 ones worn by health care workers. Although these coverings provide the highest level of ...
More effective: diagram of the mask design showing the polymer fibres and the TENG. (Courtesy: LingyunWang et al./Nano Energy) A new design for a self-powered air filter mask with enhanced removal ...
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