?????????? ?????????? ??-20

0

?????????? ?????????? ??-20

??? ???????(Metrology) ?????
  • ???? ?????????? ?????????? ??????? ????????????????? ????????? ????, ???????, ???, ???????? ????? ??????? ??????? ???????? ?????.
  • ????? ?????? 1875?? ????? 17 ??????? ????? ???????? ?????? ???? ??????? ????????? ??? ?????? ?????????? ??????? ??????? ????????????.
  • ???? ?????? ?????? ???????? ????? ???? ????????? ????? ????????? ???????? ???????? ????????? ???????? ???????????? ????????? ?????????? ?????????? ??????? ??????? ????????????.
  • ?????? ????????????, ??????????????, ???????? ??????? ???????? ???? ??????????? ??????????????? ????????? ?????????? ????? ????????? ?????? ???????? ???????? ?????? ??????? ????????????????????.
  • ????????? ?????????????????? ??????????????? ??????? ??????? ??-20?? ??? ??????? ????? ?????????????????.
  • 2019 Theme: The International System of Units – Fundamentally better.
???????????????? ???????�?????? ?????? ?????

???????:

  • ?? 20, 1894?? ?????????.

?????????:???????????

???????:

  • ?????? ??????? ?????? ??????? ????????? 68??? ???????????????.
  • ?????? ???? ??????????????, ????????? ??????? ??? ????????? ?? ?????????????????.

??????:

  • ????? 8, 1994?? ????????.

??????? ??????? ???????�??????? ?????�????? ?????? ?????????

Velaivaippu Seithigal 2021

To Subscribe => Youtube Channelகிளிக் செய்யவும்
To Join => Whatsapp கிளிக் செய்யவும்
To Join => Facebookகிளக் செய்யவும்
To Join => Telegram Channelகிளிக் செய்யவும்

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Captcha verification failed!
CAPTCHA user score failed. Please contact us!