[ Problem Point ]
The micro virus which cannot be caught by the filter, it was invaded and troubled.
[ ⇒Kaizen Point ]
After sterilizing the open air by UV-clean, it put in indoors.
The micro virus has been disinfected.
The micro virus which cannot be caught by the filter, it was invaded and troubled.
After sterilizing the open air by UV-clean, it put in indoors.
The micro virus has been disinfected.