Esempi monolingue (non verificati dalla Redazione di PONS)

inglese
Synthetic resins have largely replaced organic balsams for such applications.
en.wikipedia.org
During the 1920s, synthetic resins were developed in his laboratories, and improved processes were found for manufacturing nitric acid and sulfuric acid.
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Today the most common filling materials are made from calcium-sulphate-based fillers or synthetic resins based on epoxy, acrylic, or polyester resin.
en.wikipedia.org
Synthetic resins evolved as restorative materials since they were insoluble, aesthetic, insensitive to dehydration, easy to manipulate and reasonably inexpensive.
en.wikipedia.org

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