Board Thread:R2D - Suggestions/@comment-25828435-20150502200916/@comment-25828435-20150502223639

Bobbythebus wrote:

Josuecool wrote:

Bobbythebus wrote: What's stopping the survivors from getting a china lake and breaking the door duh An alloy of diamond and iron (two of the hardest minerals on earth) Oh k rich people prisons

No, but a high security one...

Iron is nearly indestructable, it can resist explotions

Diamond is a very hard cristal, it can be destroyed, but just from other diamonds.