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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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Shunpei Yamazaki, a Japanese inventor and physicist, invented the thin-film transistor which is a special kind of transistor made by depositing thin films of a         _______over a piece of glass

Error identification.

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Kia Silverbrook from Australia invented Memjet, a high-speed ________ technology, in 2007.

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3-D _______ is used to produce complex tools and components.

Error identification.

Choose one word in each group that has the underlined part pronounced differently from the rest.

Choose one word in each group that has the underlined part pronounced differently from the rest.

Choose one word in each group that has the underlined part pronounced differently from the rest.

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In less than a decade, you will carry a_______laser pen capable of sealing wounds.

Retinal implants are meant to partially restore vision to people who have lost their _____.

Choose one word in each group that has the underlined part pronounced differently from the rest.

Choose one word in each group that has the underlined part pronounced differently from the rest.

Choose the best sentence that can be made from the cues given.

you / operate / printer / make sure / wire / plug in / printer / on

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The Tower Infinity in South Korea is supposed to be the world’s first skyscraper that, for a few hours a day, _______ an unobstructed view of the sky behind it.