21.   The only practical answer is tougher enforcement of laws against illegal working conditions, overcrowded housing and the smuggling of illegal immigrants.

22.   The Rudman panel found in September that NASD was not overly partial toward large firms, but recommended tougher enforcement with more resources.

23.   They called for tougher enforcement of speed limits and drunken-driving laws and seat-belt laws, as well as for improved auto safety features.

24.   Those recommendations are disappointingly meek in their failure to call for uniform federal standards for voting systems and tougher enforcement of voting rights.

25.   Though the bills differ, they all call for more aggressive inspection of pipelines, tougher enforcement, higher penalties for violations and public disclosure of pipeline routes.

26.   Tougher enforcement of laws requiring drivers to keep log books recording their driving and resting hours would help.

27.   Tougher enforcement.

28.   Union officials also questioned whether the Bush administration would make good on its threats to take tougher enforcement action.

29.   Options include tougher enforcement, community education and promotions to tell students drinking is less rampant than they might think.

30.   Parti Quebecois militants have successfully pressed for tougher enforcement of language laws that restrict the use of English on signs.