The Technology and Inventions of Ancient India

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Across
  1. 3. is a fastener that joins two pieces of fabric
  2. 5. a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a point
  3. 6. a place where ships go to resupply and be repaired
  4. 10. finding the proportions of an object
  5. 12. the system of finding the weight of an object
  6. 13. the concept of nothing in math
Down
  1. 1. a hole that directs water to a sewer
  2. 2. the care and treatment of the teeth and oral regions
  3. 4. an infinite number that is used to find the exact area of a circle
  4. 7. a tool used to find the weight of two objects and compare them
  5. 8. a place where fire was made to heat, cook, and smelt
  6. 9. a system of ones and zeros used to represent numbers
  7. 11. a system of irrigating water and waste