ເຄື່ອຂ່າຍອົງການຈັດຕັ້ງທາງສັງຄົມເພື່ອສົ່ງເສີມໂພຊະນາການ
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Face mask wearing, reuse, disposing and making - PPT Lao

This PowerPoint were include all information how to use face mask, how to reuse, how to disposing and how to making the mask by your self....
Sectors: COVID-19
July 29, 2020
8 downloads
1.31 MB
pptx

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