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sheaths in plastics and metal - plastic in order to adapt to 'aa' batteries (aa - um3) in devices that accept instead of batteries of type 1 / 2 flashlight (c - um2) and type flashlight (d - um1)
sheaths in plastics and metal - plastic in order to adapt to 'aa' batteries (aa - um3) in devices that accept instead of batteries of type 1 / 2 flashlight (c - um2) and type flashlight (d - um1)