 The area in which Kalvin wanted to devote most of his time was:
Kalvin Feetch shrunk visibly. I want it completely developed, engineered and tooled-up, ready for production. He had always wanted to devote all his time to research, but Piltdon Opener had not given him that opportunity. Ah, well, thought Feetch straightening his thin shoulders, he had managed somehow to design a few good things during his twenty-five years with Piltdon. Twenty-five years of your life you put in with Piltdon, and he'd fire you just like that if you don't do the impossible. The first tentative shipments of Piltdon Super-Openers had gone to distributors along the Eastern seaboard. Receiving no satisfactory explanation from Piltdon, they set up their own research.
 Research
 Research  Production  Marketing  Management