There are many "eco" or "green" objectives around us. Is them true green? Example: A booklet
printed on brilliant white glossy stock that uses toxic materials to produce the paper but uses vegetable
inks to appear "eco". This is irony. But that is really exist in our life. Sometimes the "eco" just utilize
the environmental sense of public. So, how we make the objects authentic green is very necessary. Put
the practic.
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