21.   A common mistake that outsiders, particularly foreign investors, make in China is to think that ideology and the old Communist way of doing things have disappeared.

22.   A common mistake when families travel during the summer is the improper use of child safety seats.

23.   Aidells said that overcooking meat continues to be the most common mistake of home cooks.

24.   Both Perini and Dunn warn that the most common mistake is overcooking.

25.   But a common mistake among computer users is thinking that once an antivirus utility is installed, their worries are over.

26.   Common mistakes and helpful tips are listed.

27.   Connelly has seen many other common mistakes, of course.

28.   Dr. June Robinson of Loyola University in Chicago, said the survey she conducted identified other common mistakes and misperceptions about sunblock.

29.   Epstein said it is a common mistake to think that data is easily and simply erased from a computer.

30.   Free-lance writer Maura Sheehy weeds through the common ordering mistakes and, in a sidebar, lists the best picks in florists.