Solutions First of a kind to be produced has 4 entries with similar clues
- 5-letter words
- nylonstrong polymer first produced by the dupont firm in the 1930s
- 6-letter words
- escortFord car, first produced in 1968
- 7-letter words
- mustangFord car, first produced in 1964
- 8-letter words
- originalProduced firsthand, not a copy