How to build a house

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Across
  1. 4. A horizontal bearing member
  2. 6. A beam supporting the weight above a window or door
  3. 7. Vertical reference line
  4. 8. A vertical pillar
  5. 10. a tool used by a mason
  6. 11. Indentation on a brick
  7. 12. Fit for drinking
Down
  1. 1. Temporary structure used to hold man and material during house construction
  2. 2. Means chief builder
  3. 3. A place where your heart is
  4. 5. Character is like the _ of the house
  5. 9. Craftsman who builds the house