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Among the 21 industries surveyed, 17 were in the expansion zone, up from 12 in July, and 11 recorded month-on-month increases.

Amazon’s?patent,?approved last month,?could lead to the?development of noise-canceling headphones?that could?be overridden and muted by certain noises or keywords. This could mean the headphones are always listening for something that could indicate danger, like a car horn or emergency vehicle siren. It also means users could program in their own override words, phrases and sounds, such as the user’s name.

Amid rising international oil prices, Shengli's production, which is equivalent to 0.9 ton of crude for each of the country's 1.3 billion residents, accounts for one fifth of nationwide output in the same period, according to its developer China Petroleum and Chemical Corp, or Sinopec, the world's largest refiner by volume.

Among the top 100 companies on the list, Chinese companies accounted for the largest proportion at 46 percent, followed by US companies with 25 percent, the report said.

America's federal system of government delegates powers to the governors of the 50 states, but the president in theory can use his powers to oversee a coordinated national strategy.