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Moh’s Hardness Scale

Hardness is the measure of one structure hardness against another. French mineralologist proposed a relative scale to measure one substances...

Mardi Gras

Mardi Gras or Shrove Tuesday is the last Tuesday before Lent, and comes right before Ash Wednesday. Mardi Gras is...

Chinese New Year Lantern Festival

The lantern festival is celebrated fifteen days after Chinese New Year and marks the end of the celebration, it is...

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