be careful when you elevate "development" to "engineering". Any self-respecting man can put together a study desk for his son. That's development. But now if

be careful when you elevate "development" to "engineering". Any self-respecting man can put together a study desk for his son. That's development. But now if you want to build and sell desks to the public in such a way that we have to follow regulations and make a profit. Then that is engineering.