Across
- 2. Protection against heat loss in both systems and structures
- 4. Astronomical event marking the shortest day of the year
- 6. Old term for the Christmas season
- 8. Acceptable variation engineers must design within
- 9. The fifth reindeer
- 10. Thin layer of ice formed in cold air
- 11. Symbol of endurance through the winter season
Down
- 1. Traditional holiday song
- 3. To verify a design meets operating requirements
- 5. Engineered material made from multiple constituents for performance
- 7. Core function of Greene Tweed products