21.   The redesign was necessary because last year, the central government passed stricter laws on worker safety and on protecting the environment.

22.   The program requires conservation, pollution control, worker safety and less use of pesticides.

23.   The Senate should apply that standard across the board, including the tendency of some judges to strike down laws on gun control or worker safety.

24.   Various federal agencies are taking steps to protect worker safety, such as installing sterilization equipment at post offices and handing out gloves and masks to employees.

25.   We will talk to herpes B experts about what more could be done to ensure worker safety.

26.   Worker safety would be compromised, Shaw said.

27.   Yet critics fear that, taken together, they will cripple a quarter-century of federal efforts to protect everything from the environment to worker safety.

28.   Other federal appeals courts have ruled that OSHA can regulate worker safety on vessels that are not regularly inspected by the Coast Guard.

29.   A recent Energy Department investigation found that worker safety and environmental problems have persisted during federal efforts to clean up the plant.

30.   An expansive concept of interstate commerce is the constitutional bedrock for a host of sweeping federal protections for the environment, civil rights, worker safety and other issues.