31.   After passing the receptionists, lined up like check-in desks, you walk between two giant wheels from the undercarriage of a jumbo jet.

32.   After a short climb over Jamaica Bay, the jumbo jet began a sweeping turn to the left, over Rockaway Park and the Atlantic Ocean beyond.

33.   After years of study, Airbus executives announced two weeks ago that they would proceed with plans to build the new jumbo jet.

34.   Airbus also needs a jumbo jet to offer flexibility to airlines as they expand their fleets.

35.   Airbus Industrie and the Boeing Co., the only makers of jumbo jets, have offered those two very different visions of the future.

36.   Airbus has been talking with Korean Air and Samsung Aerospace Industries of Korea about a risk-sharing partnership on the jumbo jet.

37.   Airplanes in various stages of completion are queued up like jumbo jets on the taxiway at Logan Airport during rush hour.

38.   Both agree that volatile fuel vapors in the center tank of the Jumbo jet apparently exploded.

39.   But then, we had all that space on the jumbo jet.

40.   But, as was learned in the next few hours, it was not impervious to two jumbo jets fully laden with fuel.