tree

[the arab]

how does a tree work?

[kwicky]

http://www.arborday.org/kids/carly/lifeofatree /

[Panic Button]

It doesn't.

It just sits there.

[heathfield]

Some trees do work!

http://en.wikipedia.org/wiki/Christmas_tree_(o il_well)

[markja]

i agree with heathfield,
i've got one in my garden guarding my shed!!! does a great job 'cos no one's nicked it yet.