Alaabta miiska dhoobada ah way kala duwan tahay qaab ahaan, jilicsan oo siman, midab dhalaalaya oo si fudud loo nadiifin karo, waana doorashada koowaad ee qoysaska intooda badan si ay u iibsadaan alaabta miiska. Si kastaba ha ahaatee, dhalaalka midabka leh ee dusha sare ee dhoobada ayaa laga yaabaa inuu noqdo dilaa caafimaad. Lead, meerkuri, radium, cadmium...
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