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Ang Ziyu (right) leads other members during a training session designed to help visually impaired students bound for college travel independently in Shanghai this month. FANG ZHE/XINHUA

And it’s not just drones Amazon sees this technology applying to. The patent notes these capabilities make sense for automated fixed wing aircrafts, helicopters and possibly driverless cars and trucks.

Analysts expect worldwide airline revenue to plunge by billions of dollars this year. As a result, airlines have canceled orders for new planes. There will be no immediate turnaround, even as some states and countries take initial steps to restart the economy.

And, finally, one other notable difference is that Amazon will?also stand by the work being conducted, through something it is calling the “Happiness Guarantee.”?The guarantee promises that?if?customers are not satisfied at the end of a project, Amazon will ensure the job gets done right or provide a refund.

Animal husbandry is the backbone of the landlocked country's economy as nearly 40 percent of its nomad population depends on animal husbandry for their livelihood.