Please throw the trash in the garbage can.

I used a watering can to water my plants.

I recycled the empty tin can.

Regular exercise can enhance physical strength and endurance.

That can be said of mankind at large.

How can I solve this problem?

He approached the job search with a catch-as-catch-can attitude, applying to any opportunity that came his way.

As you can see, the sky is clear and the sun is shining.

Can you imagine a world without technology?

Dealing with this issue is like opening another can of worms.