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As hangars are mostly built near runways, height is severely restricted. However, traditional hangars have "big heads", a gate truss structure to support the roof.

As a result of the restrictions, the round trip between Hong Kong and neighboring Shenzhen was tagged "the longest journey in the world", as it took at least 28 days.

As Singapore braces for a sharp rise in new COVID-19 cases, researchers and companies are rising to meet the demand for test kits.

As a kind of distributed accounting technology using cryptography, blockchain technology features low transaction costs, strong privacy protection and data that cannot be tampered with, said Hao.

As for the twin ports of Los Angeles and Long Beach, they have seen an increase in port traffic this year, Gaurav Purohit, a Moody's analyst, told the Bond Buyer. But he said steel represents less than 2 percent of revenues for those ports, so less of an impact from the steel tariff is anticipated.