31.   A key provision in the law prohibits individuals from circumventing technology intended to block access to copyrighted works.

32.   A number of small software companies have begun marketing programs that block access to sexually oriented sites on the Internet and on-line services.

33.   A second line of barriers blocked access below Houston Street to everyone but residents.

34.   A standoff in the Diet, where opposition lawmakers are blocking access to the main chamber, has raised the possibility Japan may need to draft a provisional budget.

35.   A wall big enough to protect the facility would be so big that it would block access to the building and call attention to it.

36.   All three provide tools that allow parents to block access to such features as chat lines and forums devoted to sexual topics.

37.   Burton said it was the first time an administration had tried to block access to documents concerning an investigation of this nature.

38.   But during a stay that lasted several months, he was arrested on Federal charges of blocking access to a Rochester health clinic where abortions were performed.

39.   But that did not satisfy the authorities, who charged that Compuserve could have blocked access to the forbidden sites.

40.   But they also say they saw nothing wrong with Weslin trying to block access to clinics.