Cement jokes

A cement mixer has collided with a prison van. Motorists are asked to look out for 16 hardened criminals.

Do you mix concrete for a living? Because you’re making me hard.

What do you call Panera bread that has been weathered and eventually gathered and via cementation and pressure, it becomes a layer of different materials and is also one of the most common types of rock in the sea?

Panera Sed!

What animal howls at the moon and eats cement?

If you guessed wolf, you're right! I threw in the cement to make it hard.

What do you call a dwarf that fell into a cement mixer?

A wee hard man.