Concrete, lead,steel or any heavy dense material absorbs gamma. Beta is only a concern if in contact or within a few feet at most. Or if ingested then yes it's trouble. Alpha is stopped via a thin layer of clothing or a few inches of air. Alpha if ingested into the body will cause serious damage. Neutrons are another issue. Yards deep covering of heavy wet material Or 5ft+ deep of water, oil or fat/grease will absorb neutrons with excellent efficiently.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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