Boeing tests its new plane – level 2
Boeing 787 planes couldn’t be flying for the last two months because there was a problem with their batteries. Now Boeing is hoping that it is one step closer to getting passengers back on board its new planes.
It did a test flight which should prove that a new battery system meets safety standards.
Interesting words: prove (bring evidence), meet standards (do what is needed by standards).
You can read the original story and watch the video in the Level 3 section.
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