101.   Ms. Hill said she had tried to prevent demonstrators from blocking access to an abortion clinic in Fort Wayne, Ind.

102.   Most of the software filters screen Web sites by keyword, blocking access when the software catches a word in its restricted list.

103.   Napster would then have three business days to block access to that file.

104.   Napster later blocks access of the users.

105.   Movies with excessive sex and violence will receive a rating that will allow parents to block access using the device.

106.   Napster is then supposed to block access to those songs.

107.   Newer filters block access to specific World Wide Web sites.

108.   Now, we can give them tools to block access to certain things if they want, so we have those parental-control tools.

109.   Opponents of recent congressional legislation that attempted to block the distribution of pornography over the Internet have argued that technology that blocks access is preferable to an outright ban.

110.   Other officials continue to block access to a wide variety of government documents deemed confidential almost by whim.