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RTHK quoted an expert in escalator maintenance of Hong Kong's Vocational Training Center as saying that this kind of accidents rarely happen in Hong Kong and may be attributed to the malfunction of the escalator's anti-reversal gear and auxiliary safety gear.

In the last docking, Tianzhou-1 will use fast-docking technology. Previously, it took China about two days to dock, while fast docking will take about six hours, according to Bai Mingsheng, chief designer of the cargo ship.

WASHINGTON, March 23 (Xinhua) -- U.S. House Republican leaders on Thursday postponed a planned vote on a bill to repeal and replace the Affordable Care Act, known as Obamacare, as the White House failed to secure support of a group of conservative lawmakers.

This will include a space-ground ecological observation system and a ecological security monitoring system linked up to big data and the Internet, according to the ministry.

In the coming months, the two countries are expected to begin renegotiating the North American Free Trade Agreement (NAFTA), in force between Canada, the United States and Mexico since 1994.