They should get out and clear space around the vehicle's exhaust pipe to prevent the possibility of carbon monoxide poisoning.

VOA: special.2011.01.11

They should get out and clear space around the vehicle to prevent the possibility of carbon monoxide gas poisoning.

VOA: special.2010.01.05

It can be difficult to get a clear answer out of people who are uncomfortable with saying no in general, and of course attitudes may change.

FORBES: Body Language Quick Takes #2: How to Spot Someone Closing Down

If we can get our technical teams to clear out the underbrush, then hopefully, in 2013, there's a foundation to actually make some significant progress on this and a lot of other bilateral issues.

WHITEHOUSE: President Obama Makes a Trilateral Announcement with the Presidents of Russia and Kazakhstan | The White House

We saw people bleeding and trapped and Matthew and I started helping to clear rubble to try to get people out.

BBC: New Zealand earthquake aftermath: Your stories