China has already made rapid advances in military jet aircraft and its H-6 large twin-engine bomber, modelled on the Russian Tu-104, can be converted quite easily into a commercial aircraft.

When thatfailed, the Federal Aviation Administration began to considerhaving military jets scrambled to intercept the twin-jet AirbusA320, these officials said.

High pressure jet grouting with new twin-tube method was employed in the construction of a new drydock and the mucky soft soils in the site were successfully treated to prevent water seepage.