......that is currently made or one that can be easily constructed. ...selectable, thumb wheel type or push button, easily used with ...should be capable of one-handed operation. Overall weight should ...
Active/Passive Metal Detector
Virginia
- May 07, 2008
......that is currently made or one that can be easily constructed. ...selectable, thumb wheel type or push button, easily used with ...should be capable of one-handed operation. Overall weight should ...