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In 1880 Alexander Graham Bell was granted a               on an apparatus for signaling and communicating called a Photophone.

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They try to imitate the wing and shape of animals in nature to produce parts of vehicles

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In order to be taken away and used everywhere, modern inventions have a tendency to be small and _____.

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The general opinion was that the suits were too big and taking up too much space in the cramped confines of the aircraft.

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The building's foundations are rather shaky, and it could collapse at any time.

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I had to buy a new washing machine as it would not have been                  to get it repaired.

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Blu – ray  was first commercially _______ in 2006 and it uses a blue laser to read or write data to a disc.

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She designs her own______ using woodblocks and stencils to create patterns on the material.