#ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
https://www.nationthailand.com/news/30381767?utm_source=category&utm_medium=internal_referral
Bangkok vocational schools coach citizens on masks, hand gel
Feb 07. 2020
Aswin Kwanmuang in black.
Bangkok Governor Aswin Kwanmuang paid a visit to a Metropolitan Administration vocational training school on Friday (February 7) to watch protective facemasks being made and alcohol-based hand sanitising gel being properly used.
The free demonstrations for the public were staged at eight vocational schools managed by the city, including those in Din Daeng, Bang Rak, Khlong Toei and Nong Chok.
SootinClaimon.Com 