World Metrology Day 2021: Purpose, Theme
World Metrology Day 2021: Purpose, Theme The day of 20th May is observed as World Metrology Day in order to celebrate the International System of Units. The International Organization of Legal Metrology (OIML) organizes this day in the collaboration of Bureau International des Poids et Mesures (BIPM). Purpose: This day also the anniversary of the … Read more