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RJ39 Surface kuipitsidwa detector
Chida cha RJ39 choyipitsa pamtunda ndichoyenera kuzindikira kuipitsidwa kwapamtunda. Chidacho chimatengera chowunikira chapawiri, chokhala ndi chidziwitso chapamwamba; imatha kuyeza nthawi imodzi, /, ndikusiyanitsa, / zotsatira zozindikira.
