Depending upon the conditions, either nucleation or growth may be predominant over the other, and as a result, crystals with different sizes and shapes are obtained (Control of crystal size and shape constitutes one of the main challenges in industrial manufacturing, such as for pharmaceuticals).
For the region, see San Fernando Valley. San Fernando is a city located in the San Fernando Valley, in the northwestern region of Los Angeles County, California. It is completely surrounded by the City of Los Angeles.
The median household income in San Fernando is 10.7% less than the California average and 3.4% greater than the National average. The median household income in San Fernando for owner occupied housing is 62% greater than the median household income for renter occupied housing in San Fernando. The poverty level in San Fernando is 21% greater than the California average and 24.2% greater than the National average. The median earnings for males in San Fernando is 3.9% greater than the median earnings for females in San Fernando.