Answer:
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesnβt bounce off anything?
Nothing specific, but more than a few. This many clustered, together will do.
When it's dirty this should never be aired in public.
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
No matter how little or how much you use me, you change me every month. What am I?
What language does a billboard speak?