World Metrology Day, commemorating the anniversary of signature by representatives of 17 nations of the "Metre Convention-1875", will be observed today in Bangladesh and elsewhere across the globe.
Ansvarsfriskrivning: Inkluderar Äsikter frÄn tredje part. Ingen ekonomisk rÄdgivning. Kan innehÄlla sponsrat innehÄll. Se anvÀndarvillkor.
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