Re: [indoor construction] VP or VD

From: Nicholas <ndhuang83706_at_gmail.com>
Date: Tue, 24 Oct 2006 23:32:30 -0000

What is the typical diameter change on a VD? What is the min change
you need to see any effect?
Thanks,
Nicholas Huang
Boise ID
Received on Tue Oct 24 2006 - 16:35:41 CEST