"When those products are at the end of their useful life, how are they going to be broken down?

VOA: special.2010.01.08

A tailgate is the back end of a truck or other vehicle that opens down.

VOA: special.2009.09.11

Jennifer Bemisderfer says this involves thinking about a product's whole lifetime: "When those products are at the end of their useful life, how are they going to be broken down?

VOA: special.2010.01.26

But at each end, they will get a nudge to tumble down - much like the Wall did two decades ago.

VOA: standard.2009.11.09

But in the end, protests and peaceful revolutions, such as in Poland,and changes in Moscow brought it down.

VOA: standard.2009.11.09