Vocabulary

• have to: Must do
• look at: To use your eyes to focus on something
• used to: Did regularly before, but don't do now
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• switch off
• switch on: To put something electrical on or off
• in the future: At a later time; in times to come.
• at the same time: Simultaneously; at the identical moment.
• same time: Occurring simultaneously or at the same point in time.
• look into: To investigate or try to discover the reasons for
• in particular: Specifically; especially.
• cope with: To deal successfully with a difficult situation.
• on the other hand : Considering a different aspect of the matter; alternatively.
• due to: Because of; owing to
• in parallel: Done at the same time; simultaneously.
• in public: In a place where anyone can see or hear you.
• light on: To illuminate something.
• for free: Without charge; at no cost.
• look around: To explore a place; search for something.
• on the other side of: Located across something from a given point.
• at the moment: At this time; now
• around the world: In or to many countries.
• lead: Wire for electricity, computer, etc.; cable
• subtle: Delicate or slight so it is difficult to perceive
• switch: A change or shift from one method to another
• spectrum: The wavelengths of colors from red to violet
• light: To cause something to burn; put a burning match to
• energy: Physical or mental strength
• stream: To send a constant flow of data over the internet
• technology: Use or knowledge of science in industry etc.
• remote: Being far away from people, towns, etc.
• base: Place military personnel live, train, and operate
• high: Excited or relaxed from taking drugs
• visible: Can see, easily seen or understood
• efficiency: Working well; producing something without waste
• deploy: To put into position (often a military operation)
• transmit: To broadcast by using signals to a radio/TV