Q1. 'Bamboo' is ___.
Q2. 'Durable' means ___.
Q3. 'Ventilation' is ___.
Q4. 'Adobe' bricks are made from ___.
Q5. We need ten ___ of bamboo.
Q6. Buy three ___ of clay.
Q7. Cut a ___ of thatch for the roof.
Q8. Which is correct?
Q9. Thai houses are raised on stilts for ___.
Q10. Cross-ventilation means ___.
Q11. Wide roof overhangs protect from ___.
Q12. Natural buildings in Thailand are ___ than concrete buildings in summer.
Q13. Bamboo grows up to ___ per day.
Q14. Bamboo should be harvested at age ___.
Q15. Soak bamboo in borax solution for ___.
Q16. Bamboo is stronger than ___ per unit weight.
Q17. Earth plaster is made from clay, sand, straw and ___.
Q18. In Thailand, builders often reclaim ___ from old houses.
Q19. Adding rice husks to plaster makes it ___.
Q20. Reclaiming materials helps the environment by ___.