It must not become sufficiently radioactive so as to produce unacceptable amounts of nuclear waste when lining replacement or plant decommissioning eventually occurs.

The replacement of hyperion with ircd-seven occurred on January 30, 2010.

The same replacement occurred on line 1 in 1963 and line 4 in 1967.

Still to be explained is how the replacement occurred.

A variety of infiltration or substitution pseudomorphism is called alteration, in which only partial replacement occurs.

If the replacement of debt occurs under financial distress, refinancing might be referred to as debt restructuring.

But replacement of Native American with African slaves also occurred because of the high death rates on sugar plantations.

They pair for life, though if one dies replacement can occur quickly.

But more than five thousand replacements occurred on Vulcan.

When replacement to compact bone occurs, this blood vessel becomes the central canal of the osteon.