11.   While greasing the pans with butter works fine, parchment paper makes handling and cleanup easier.

12.   You can buy specifically sized nylon groundcloths for some tents, but a cheap, light plastic tarp works fine.

13.   Others maintain the system works fine.

14.   Although the main operating system for the Canadian-built robot arm works fine, the backup system has a problem that could cause the arm to freeze up.

15.   But while Drange and her co-workers say the idea works fine in theory, a large test is needed to answer questions such as the effect on sea life.