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At the same time, official figures showed that in 2016 the Cuban government spent 5.8 billion Cuban pesos (2 million) in social security payments.

At the heart of this make-better drive is UOP's methanol-toolefin or MTO technology.

At present, China has built and put into operation more than 150 sets of catalytic cracking units-which break long petroleum molecules into shorter more useful ones-with a total annual processing capacity of nearly 200 million metric tons. Over the years, the catalytic cracking process has produced nearly 70 percent of the nation's gasoline, 40 percent of its propylene and 30 percent of its diesel, according to Science and Technology Daily.

At the AirWorks conference in Los Angeles, Guillot recalled how his team used three drones to capture footage of the 850-year-old Notre Dame Cathedral after the devastating fire this April.

At times, it can be stressful but it was important to present a "friendly face" when delivering luxury labels to clients, he pointed out.