Seismic tests have been done and drilling of exploratory wells is likely to begin next year, so Russia does not want any radiation hazard to overshadow that.
BBC: Russia explores old nuclear waste dumps in Arctic
Some other Nato countries also use munitions with DU, which has 40% less radiation than natural uranium, itself not considered a health hazard.
BBC: No DU weapons risk, say experts
应用推荐
模块上移
模块下移
不移动