How do these laser guides work? I know a blind person can't use them but how do they help sighted folks? For example, on a drill press, how does the laser show where the bit is going to drill?
John -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.488 / Virus Database: 269.15.3/1082 - Release Date: 10/20/2007 2:59 PM
