1. Words adoptive = to become parent of a child that isn't your own claim

incident = here: accident involving an airplane

increase = go up

in-flight = during a journey; when a plane is in the air

jetliner = modern, passenger airplane

lithium-ion = modern, rechargeable battery type used in smartphones, tablets etc..

occur = happen

official = person in a high position in an organisation

record = write down

repeat = happen again

robust = strong; not likely to have any problems

rural = in the countryside

safety measures = something you do which helps to make things safer

slightly = a bit

zero death toll = here: situation in which no people are killed


13.
Words

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  achieve = to make something possible
  
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  achievement = something very important that you have done
  
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  celebrate = here : to have special events and remember this day in history
  
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  consist of = to be made up of
  
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  decade = ten years
  
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  declare = to say something officially; in front of many people
  
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  dock =to join together in space
  
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  escape = get away from the earth
  
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  government funding = money that the government gives you for a project
  
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  humans = people
  
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  leap = to jump very far
  
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  lunar module = object that landed with two astronauts on the moon
  
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  mankind = all humans as a group
  
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  module = part of a spacecraft , that can be separated from the other parts
  
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