21.   When portable power saws were introduced, some people though that handsaws would become obsolete, but they remain essential in tool kits.

22.   While the drill is the most popular power tool among female weekend warriors, power saws, sanders and electric screwdrivers are also favorites.

23.   With every crack of a hammer and the daylong whine of power saws slicing into wood, Terryl Schwalier moves closer to building a new home.

24.   With the power saw they cut through bushes and small trees, throwing them to the other side of the road.

25.   Amid the din of power saws and bending metal, Defense Secretary William Perry watched Russian disarmament in action Tuesday at this strategic bomber base near the Volga River.

26.   But the ancient arts were joined by the modern whine of a power saw, and monks in orange robes wore hard hats at the site in suburban Neasden.

27.   Neighbors supplied power from their homes to keep five power saws running.

28.   Rescue teams used a power saw to extricate trapped and wounded passengers.

29.   The air is filled with the sounds of hammer meeting nail, of power saws and drills, as gutted schools and houses get new roofs and windows.

30.   When its maker demonstrated its use with a hot dog, the power saw stopped abruptly with a loud pop after barely touching the wiener.