开云体育

-----Original Message-----
From: VacuumX@... [mailto:VacuumX@...]
Sent: Saturday, February 21, 2015 3:52 PM
To: VacuumX@...
Subject: Re: [VacuumX] weird Sharpie residue

On 02/21/2015 05:37 PM, Thomas Janstrom t_janstrom@... [VacuumX]
wrote:

Guy,

Are you sure the marker tip didn't in fact "polish" a groove into the
surface? Some of the felt tip markers use fibre glass for the tip so it
might be more abrasive than you expect. Just a thought.

Thomas.

I wonder if the type of glass might be a factor?




--
Kirk Wallace




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Posted by: Kirk Wallace <kwallace@...>
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