Homebrew_PCBs

----- Original Message -----
From: "dangermouse" <dangermouse1956@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, December 22, 2003 12:48 AM
Subject: Re: [Homebrew_PCBs] Re: Sharpening scissors with sandpaper ???


> Perhaps someone can explain how it is possible for friction with aluminum
to
> sharpen (presumably) heat-treated steel.

Corundum? It's not aluminium but aluminium oxide - what sapphires are made
of.

Leon
--
Leon Heller, G1HSM
Email: aqzf13@...
My low-cost Philips LPC210x ARM development system:
http://www.geocities.com/leon_heller/lpc2104.html