I have a new Weber barbecue grill in my garden.

I have two Weber barbecue grills in my garden.

The amount of this radiation is 1 sievert.

Harappa is one of the important ruins of the Indus civilization.

Understanding Newton's third law is difficult.

The weight of this apple is about 1 newton.

Newton's laws are the foundation of physics.

Sisyphus is a character in Greek mythology who was punished to eternally push a rock up a mountain.

This guinea is a gold coin that was used in 18th century Britain.

He added an old escudo to his collection.