Answer:Both of these materials emit numerous volatile organic compounds (VOCs), many of them toxic. In addition to VOCs, the printing process generates nano particles which pose a respiratory hazard. More novel applications involve the printing of biological scaffolds used to generate organs and other structures.
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You need to be more clear when asking questions
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A market place is a very busy place where people go to buy articles of their needs. It is a centre of attraction for both buyers and sellers jusr like aladdin kinda
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