The Contour Crafting system is a robot that automates age­old tools normally used by hand.These are applied by a robotic crane that builds a three­dimensional object.The nature of the technology means it will also be possible to create curved walls and architecture that is both “exotic (异国情调的) and beautiful” according to Prof Khoshnevis.As a result, it could be ideal to print out expensive homes according to customers’ demands.

　　Furthermore, Prof Khoshnevis believes that the technology could be applied beyond our planet.“Contour Crafting technology has the potential to build safe, reliable, and affordable structures, habitats, laboratories, and other facilities on the moon and Mars before the arrival of human beings，”his website reads.

　　According to the International Labour Organisation construction employs nearly 110 million people worldwide and “plays a major role in fighting the high levels of unemployment and in absorbing extra labour from the rural areas”．What the implications are for builders is, of course, a major concern.But Khoshnevis says “the reality is that a lot of new jobs can be created in this field as well”．Instead of building the house workmen are used to maintain the machine.

　　语篇解读　本文是一篇说明文。随着科技的发展，巨型机器人可用于建设房屋，而且具有时间短、成本低等优势，并且能够满足不同收入的人们的实际购房需求。

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