Maadaama gawaarida cusub ee tamarta ay si ballaaran u qaataan, "walaaca kala duwan" ayaa noqday walaac muhiim ah oo warshadaha ah. Marka la barbardhigo dallacaadda degdegga ah ee DC oo inta badan socota 30 ilaa 60 daqiiqo, qaabka beddelka baytariga wuxuu yareeyaa waqtiga dib u buuxinta tamarta ilaa 5 daqiiqo gudahood, taasoo keenaysa...
Dareemayaasha iyo nidaamyada sawir-qaadista korontada waxay isticmaalaan iftiinka casaanka ama infrared-ka muuqda si ay u ogaadaan noocyada kala duwan ee walxaha iyagoon taaban walxaha mana xaddidaan walxaha, cufnaanta ama isku dheelitirka walxaha. Hadday tahay qaab caadi ah ama mid la barnaamijin karo oo badan...