Materials Engineering
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A skyscraper is not a tree - not yet.
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Since 1963, LEGO bricks have been manufactured from acrylonitrile-butadiene-styrene copolymer - ABS copolymer for short - a plastic with a matte finish. It is very hard and robust - import criteria for a children's toy. Laboratories in Switzerland and Denmark regularly test the quality of the ABS. The plastic is distributed to factories as granules rather than in liquid form. These grains of plastic are heated up to 232ºC and converted into a molten mass. Injection moulding machines weighing up
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― 50 Years of the Lego Brick
― 50 Years of the Lego Brick
