http://forums.steampowered.com/forums/s ... p?t=982613
http://faqs.ign.com/articles/105/1056117p1.html
i dont think you can repair your own stuff with out a mod. but each map has 2 sets of tools. 3 traders will give you missions to find the tools and they can better or can only repair your stuff with the tools..> so dont just trade tools if you find them.
this is photos of the artifacts.. they say artifacts with a + is good means you get + what ever protection. they say anything radiation with plus + beside it is bad- so for radiation protection i guess you use minus - for radiation. looks like the bubble is the best anti rad at -4..>
















it cost me but hey it works well in low light
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