While the conventional way of detecting landmines, by using metal detectors, is comparatively slow as the detector is unable to distinguish real landmines from scrap metal. Besides, the rats are too light to set off the landmines when treading on them, and much cheaper to feed and train than dogs, ...
from Google Alert - metal detectorhttps://www.google.com/url?rct=j&sa=t&url=http://www.xinhuanet.com/english/2018-04/02/c_137083193.htm&ct=ga&cd=CAIyGjBmN2Y1NDMwZGU1NzA5Mzc6Y29tOmVuOlVT&usg=AFQjCNEFPdj_48Ow-67frj4e1yV72IASLw
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