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Disneyland

Disneyland is a magical kingdom for children and adults, where you can ride roller coasters, take pictures with your favorite cartoon characters, and watch and fireworks in the evening.

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Gasoline: How does the filling gun know that the gas tank is full?

Gasoline vapors are explosive, and their concentration in the filler cap of the car is maximum. The fuse of the filling gun works on pure mechanics.

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Toy yo-yo

Yo-yo is a toy consisting of two disks of the same size and weight, fastened together with an axis, on which the rope is put on by a loop.

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McDonald’s. History of creation.

McDonald’s broke many records. And by the growth rate. And by the number of employees. And by the attendance of restaurants.

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