I jog for half an hour every day.

As the time limit approached, I began to panic.

This 'Ra' shirt is very light.

Essential amino acids, which the human body cannot produce on its own, need to be obtained from the diet.

He likes to take a walk in the park at dusk.

Let's get to work immediately.

We were given a tour of the factory by the person in charge.

Linear programming is a part of operations research and is used to find the optimal solution.

Paying the urban planning tax is a citizen's duty.

The United Nations Environment Programme is providing solutions to global environmental problems.