21.   Funeral directors, who earn hefty profits from casket sales, have blocked passage of the bill for months.

22.   In recent months, the group lobbied legislators and bought radio advertising to help overcome resistance that had blocked passage of state gun control bills for years.

23.   In the past year, for example, the conference was credited with helping write legislation blocking the passage of future unfunded federal mandates.

24.   Inside the barracks, Flavin variously combined his usual colored fluorescent tubes, here erected like bars blocking passage through the buildings.

25.   Keen said she had distended so much that her air passage was blocked.

26.   Most work by blocking the passage of certain chemicals into neurons, to try to prevent the frenzied brain-wave activity that signals a seizure.

27.   Nearly all of the arrests have been for disorderly conduct, stemming from Teamsters blocking passage of UPS trucks.

28.   Other biking association members said they had seen live trees bent across the trails and tied to block passage.

29.   Sen. Jesse Helms, R-N.C., chairman of the Senate Foreign Relations Committee, is blocking passage.

30.   Similar legislation on music licensing has been introduced in past Congresses, but supporters of the songwriters have blocked passage.