At the bottom of almost any plastic container there is a triangular three-arrow sign, also known as SPI code, which gives us information about the recycling restriction and the material it is made of. The numbers go from 1 to 7 and the distinction helps recyclers know which machine to use in the recycling process. Foam #6, also known as Polystyrene or Styrofoam, is the subject of this article which emphasize the importance of recycling foam.

from Business:Productivity Articles from EzineArticles.com http://ift.tt/2nB6JAx March 14, 2017 at 03:11PM
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