A positive number is a number greater than zero.

This lemonade is very refreshing, perfect for a hot day.

You can feel the cool of the summer day.

The safety of this car is very high.

The brake of this car is very effective.

The braking action of this car is very excellent.

He applied the brakes suddenly.

This pasta is generously made with luxurious truffles.

There is a beautiful Western plum tree in my garden.

What is the amplitude of this sine wave?