Fisher has made a solution precisely focused at both of these teams by developing a superior-frequency detector that provides improved overall performance than other products on smaller targets whilst nonetheless giving enough sensitivity so that inexperienced end users gained’t get overwhelmed by false alerts from sizzling rocks and ground minerals http://family.bigbrother.bg/forum/topic_show.pl?tid=238941;msg=NewPost;sid=62e34f56b6afecc56963bb66c221054b