Word Pairs


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Having a roof over your head is a [basic / basically] human need, but there are 1.2 billion people in the world without [adequate / adequacy] housing. This may change [thanks / thank you] to a revolutionary, low-cost use of 3D printers to construct houses. With 3D printing, materials are [joint / joined] together or reinforced by using a computer-controlled device to create a three-dimensional [object / objective] . Two companies have joined [farces / forces] to try and ease homelessness around the world [as / by] building affordable homes using 3D printing. Tech company ICON has developed a [method / methodical] for printing a one-floor, 60-square-meter house out of cement in [a / the] day for just $10,000. This is a [fraction / friction] of both the time and cost needed to build a similar construction using conventional methods.

ICON has teamed [down / up] with the non-profit, international housing organization New Story. Together, they will start [built / building] homes in [developing / development] countries. Their joint venture will see 100 new homes constructed in El Salvador next year. New Story's co-founder Alexandria Lafci [acknowledged / acknowledgment] that the 100 homes were just a [drip / drop] in the ocean. She said: "There are over 100 million people living in [slum / slam] conditions, in what we call survival [mode / modem] ." She also saw possibilities for 3D-printed houses to become common [on / in] richer countries in years to [go / come] . However, she said that for the [monument / moment] : "The tech is ready now to print very high-quality, safe homes in the places we're building."

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