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Across 1. A number or expression that is to be divided by another. 4. To demonstrate that something is true or viable; to give proof for. 7. Having a texture that lacks friction. Not rough. 8. To place something somewhere 9. A seat for one person without a back or armrest. 13. a small stream 14. To change place or posture; to stir; to go, in any manner, from one place or position to another 16. Containing the maximum possible amount of that which can fit in the space available. 17. Any of various dishes commonly made by boiling water or stock with various ingredients, such as meat and vegetables, to extract flavor. 18. A mechanical device intended to make a task easier. 19. Used as a material for building houses

Down 2. A number or expression that another is to be divided by. 3. the cover at top of a building 5. To fire a projectile at. 6. To apply a force to (an object) such that it moves away from the person or thing applying the force. 7. Simple past tense of stand. 10. A number of things or persons being in some relation to one another. 11. A person with poor judgment or little intelligence. 12. A rod bent into a curved shape, typically with one end free and the other end secured to a rope or other attachment. 13. Woody plant that is distinguished from a tree by its multiple stems and lower height 15. To apply a force to (an object) such that it comes toward the person or thing applying the force. 19. The hair of the sheep, llama and some other ruminants.