Dead kittens. Can't get a pitchfork into the bricks.
One is a brick and the other is a brick with a screen
The bricks will get laid.
Babies, because you can use a pitchfork.
There's only one you can unload with a pitchfork. Edit: Who said something about dead babies?
The babies of course, you can use a pitchfork!
You can't unload the truck full of bowling balls with a pitchfork.