Very limited . You really can't carry enough lead around to make much difference . T,D,S : time , distance and shielding . Reduce your time exposed to radiation as much as possible , stay as far away as possible , lead bricks make good shielding . Doing any science projects I can sell you 20 or 30 lead bricks .
funny XD it could use a better transition from panel 1 to 2. It took me a confused minute to figure out that the dude didn't just suddenly appear. Maybe have the green guy walk thru a door or something