21. From these proposals, design solutions are prototyped and then tested with the target user group. 22. Wyman also prototyped such a map for the Washington Metro, though ultimately the idea was rejected. 23. An all-powder blue uniform was prototyped , but rejected in favor of the navy blue. 24. The company's first product was the K2 transceiver which was first prototyped in October 1997. 25. Aonuma chose to revisit the idea of Link entering walls, as it had already been prototyped . 26. It was prototyped during Double Fine's open Amnesia Fortnight 2012, directed by JP Lebreton. 27. Control and decision structures are often prototyped in flowchart applications, or entered in a state diagram editor. 28. A radioisotope-heated thermoacoustic system has been proposed and prototyped for deep space exploration missions by Airbus. 29. This was extensively prototyped in the 1990s with collaboration between Magneti Marelli, Centro Ricerche Fiat and Elasis. 30. The patent was issued in the U . S . and the system was not prototyped or commercialized.
