21.   The lingering dispute over measures to stop rampant Chinese piracy of U.S. movies, software and recordings has triggered threats of a trade war.

22.   The sanctions are intended to roughly equal the amount U.S. business loses from Chinese piracy of movies, music and software.

23.   The United States has said it would impose punitive sanctions because of Chinese piracy of software, movies, music and other property.

24.   They included Shenfei, a factory that U.S. movie and music industry officials had investigated and named as one of the most serious cases of Chinese piracy.

25.   U.S. companies have complained of losing billions of dollars worth of sales because of Chinese piracy.

26.   Western businesses long have complained about Chinese piracy of products supposed to be protected by copyrights, trademarks and patents.

27.   Copyright industries estimate their annual losses to Chinese piracy at more than two billion dollars.

28.   Citing billions of dollars in lost sales as a result of Chinese piracy, US copyright industries are advocating a tough line on Chinese enforcement.

29.   The US administration contends American firms lose more than one billion dollars a year because of Chinese piracy of copyrighted items such as computer programmes, films and drugs.

30.   The US administration contends that US firms lose more than one billion dollars a year because of Chinese piracy of copyrighted items.