CONCRETE

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Across
  1. 2. the concrete has exceptional _________.
  2. 5. the building was ________ with steels bars.
  3. 7. the soil is being _______ before the casting.
  4. 9. regarding his _________, he has become a renowned engineer.
  5. 10. the rocks were crushed into _______.
  6. 11. the engineers reinforced the river’s __________ to prevent floodings.
  7. 13. the ________ of sea turtles is studied by several scientists.
Down
  1. 1. an appropriate ________ design is important to avoid accidents on the roads.
  2. 3. the archaeologists excavate the _______ site.
  3. 4. soil _______ is caused by deforestation.
  4. 6. the ________ layer of clay prevented water entering the basement.
  5. 7. the bridge is made with reinforced __________.
  6. 8. the walls were covered with ______ before painting.
  7. 9. the _____ is the third planet from the sun.
  8. 12. ______is used for surfacing roads.