Joke Collection Website - Bulletin headlines - What are those grounded signs?

What are those grounded signs?

Who is the hero, who is the hero, let's compete on the training ground!

Peel off the skin and meat, and stay! Bleeding, sweating, no tears.

Revolutionary soldiers have a brick, they need to move recruits and veterans, they all have courage.

One minute of work, 60 seconds of dedication! Take the resident as your hometown and the people as your parents! Recognize the situation clearly, remain vigilant and live up to your mission!

People practice in bitterness, and knives grind on stones.

The army and the people unite as one and see who can be the enemy in the world!