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It’s very easy to damage CD and DVD with scratches,and because it’s flat and thin in the same time,it’s hard to pick it up from a flat surface too.
“Scratchless” can solve these two problems by changing it from flat to a conical form.In this way only the edges of CD and DVD touch the ground,there will be no scratch or damage any more,and what’s more?It will be easier to pick them up from table too!
Polytechnic University of Turin
Shen Yue Liu Yuanyuan