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nopeda

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  1. I don't understand what you're showing us. I was really hoping there was/is something that could be a unique combination of material and detector. Like some unusual type of material that isn't common and likely to be lying around and a detector that would only detect that type of material. Really I was imagining there are such things made specifically for this type of situation, so you can turn the sensitivity way up and wave the detector around and it can tell you what part of the yard to move toward even if it's 50' way, then as you get closer turn the sensitivity down as you get nearer to the target. Maybe it's naive on my part to think there actually is such a system already available, but I don't think there's anything wrong with wishing that there was if there truly is not. Or is that what you have presented and I just don't understand what you're showing us yet? Thanks to all of you for your suggestions! David Maine, USA
  2. Hi, I work for a district water company and we frequently have to turn the water service on and off at a home or business. This is an area where it gets fairly cold in winter so the cut-off valve is buried in the ground and access to it is just down through a small tube with a cap about the size of a half dollar coin. We have a tool that we put down the tube to turn the valve. Often/Usually the caps that should be at ground level get buried under an inch or more of dirt or grass or snow or whatever is in the area and can cover them. We use a metal detector to help find them which sometimes works very well and other times not so well. I'm wondering if there is something we can put on the caps or bury beside the tube to make it a lot easier for the detector to pick it up and maybe distinguish between what we put there and other random junk that happens to be lying around in the area. Or is there a way to get more specific than that like some type of detector that will or can be set to only pick up a particular substance we could put in place that's not likely there is other similar material just lying around the area...something not expensive like gold. I may not have explained what we're trying to work out very well but hopefully you people get the idea and may have some suggestions on how to improve our situation. Thank you for any help with this!!! David
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