YDS READING PASSAGES / TEST 7 39. Soru

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39.

-The passage makes it clear that at present, there are many types of products made
from rubber, ------ .

though it seems that many are being replaced by plastics

and it seems quite likely that there will be more in the future

despite the fact that the material tends to wear out quickly

but people tend to stay away from the material and use natural substitutes instead

yet they are only available in technologically advanced countries