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YLS2 Describing Technology
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a small device example: MP3, tablet
gadget
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to improve the quality/ change to something of a better standard -------
replace
upgrade
downgrade
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a tool or an instrument, often one that is quite simple and that is used outdoors
implement
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something that is friendly and not harmful to nature is called ....
environmentally-friendly
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This means to completely change the way something is done
revolutionize
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light and small enough to be easily carried or moved
portable
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This word means useful or suitable
practical
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refrigerator, aircon, TV, washing machine - what are they called?
appliance
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an object or machine use for a particular purpose ex. computer, printer
device
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What is the synonym of necessary or 'too important not to have' ?
indispensable
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