Answer:
What covers its face with its hands, speaks no language, yet most known what it's saying?
What has to be broken before it can be used?
What can be swallowed, but can swallow you?
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
What can you share and still have all for yourself?
What did the piece of wood say when he saw the screwdriver and screws approaching?