Quoting Dan Armbrust <daniel.armbrust.list at gmail.com>:
>
> You need one of these:
> http://www.ssiworld.com/watch/computers.htm
>
> Lots of fun clips here:
> http://www.ssiworld.com/watch/watch-en.htm
>

I'm not sure that I will ever have a steel drum full of concrete, but 
if I do it is comforting to know there is a way to deal with it.

Josh