Usages of surowiec wtórny
Metal jest tak ważnym surowcem wtórnym jak szkło.
Metal is as important a secondary raw material as glass.
Firma przetwarza szkło w surowiec wtórny.
The company processes glass into a secondary raw material.
To nie tyle śmieci, co surowiec wtórny.
This is not so much rubbish as a secondary raw material.
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