People in Denmark have developed advanced techniques for processing incineratorash and use them to recover annually 50,000 tons of scrap metal, from which are made new products, everything from steel beams to jewelry.
A. ash and use them to recover annually 50,000 tons of scrap metal, from which are made
B. ash and use them on an annual basis to recover 50,000 tons of scrap metal, from which is made
advanced techniques used on annual basis is wrong
C. ash and use them to recover 50,000 tons
...
A. ash and use them to recover annually 50,000 tons of scrap metal, from which are made
B. ash and use them on an annual basis to recover 50,000 tons of scrap metal, from which is made
advanced techniques used on annual basis is wrong
C. ash and use them to recover 50,000 tons
...











