A good example of what a container contains and why you should pay very close attention to what is declared by the shipper and why we should all be vigilant will be CLEAR after you read this post (http://mpoverello.wordpress.com/2011/10/22/why-is-this-cargo-container-emitting-so-much-radiation/) which appeared in Mike Poverello’s Customs Blog..
Seemingly simple but scary stuff..