Global Land Metal Detectors Market By Type (Price Below $150 , $150.00 - $249.99 , $250.00 - $399.99 , $400.00 - $599.99 , and Price Aboove $600), By Application (Professional , and General Purpose), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029