Following the Moscow bombings, some international security experts say this kind of violence cannot be permanently stopped.

VOA: special.2010.04.03

Workers later added cement to harden in the well to seal it permanently.

VOA: special.2010.08.07

But fewer than thirty-two thousand loans have been permanently changed so far.

VOA: special.2009.12.18

However,in those cases the protective devices are permanently placed in the rock.

VOA: special.2009.12.09

Israel says it has no plans to permanently reoccupy Gaza.

VOA: special.2009.01.10

During that time, they can request to stay permanently.

VOA: special.2010.06.14

(Speaking) With LASIK,doctors use a laser to permanently change the shape of the cornea to improve vision.

VOA: standard.2010.03.03

"We'll need to work together on issues that are in the national interest on which there is no need to compete or permanently bicker,".

VOA: standard.2009.04.25

it has avoided bankruptcy so far." It all depends,says Faulkner, on whether the damaged well can be fixed, the spill stopped permanently and how well clean-up operations go.

VOA: standard.2010.07.27

Michael O'Hanlon of the Brookings Institution. "This kind of violence cannot be permanently stopped, and that we may be living with this for the rest of our lifetimes."

VOA: standard.2010.03.30