Prior threads have dealt with using leaf blowers to clean out the shop or how noisy leaf blowers cause irritation. This should do more than a passable job of getting anything, up to and including small children out of the shop:
As with other postings for these links, you will have to join the two lines above because my news server thinks I'm posting a commercial post and thus rejects my posting if I don't break it apart.
+--------------------------------------------------------------------------------+ If you're gonna be dumb, you better be tough +--------------------------------------------------------------------------------+