Across
- 6. A first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied.
- 7. A repeated decorative design.
- 8. The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
- 9. The air that humans breath out
- 10. A rough or unfinished drawing or painting, often made to assist in making a more finished picture.
Down
- 1. A legally specified period beyond which an action may be defeated or a property right is not to continue.
- 2. A very small or concise description, representation, or summary.
- 3. an allowable amount of variation of a specified quantity, especially in the dimensions of a machine or part.
- 4. Design or provide with a form that presents very little resistance to a flow of air or water, increasing speed and ease of movement.
- 5. Catch hold of and pull
