21.   Petrified wood rings the top and punches into the edges like ragged soldiers on guard.

22.   Pillow heads converse by being punched into various shapes in an ever more heated dialogue.

23.   That kind of mistake can easily occur at the IRS, where thousands of clerks manually punch into computers the numbers listed on tax returns.

24.   The first uses graphs to display each of the calculations the machine is making to solve the algebraic problem punched into its keyboard.

25.   The questions take no more than one minute, and answers are quickly punched into the computer.

26.   There he sits, in a Ohio hotel room, punching into teleconferences and trying to conduct NFL business.

27.   Thieves responded by glancing over the shoulders of callers and writing down their calling-card numbers and security codes as they punched them into telephones.

28.   Those who lease from Farr must pay up weekly in order to get a code to punch into the device on the dashboard.

29.   To check a suitcase curbside for a flight, the traveler gives the attendant the reservation number, which is punched into a computer.

30.   Visitors could walk through a six-foot hole punched into one wall and contemplate a cave-like scene of twisted metal book shelves and floating books.