Child rearing is just another term for raising children, bringing up children. I would like to add that it is not just the basic food, shelter, clothing triad that keeps children alive, but also the active moulding of character, personality, talents, and emotional and physical well-being of the child.
North American Industry Classification System. The North American Industry Classification System or NAICS (pronounced nakes) is used by business and government to classify business establishments according to type of economic activity (process of production) in Canada, Mexico, and the United States of America.
NAICS Structure. NAICS industries are identified by a 6-digit code, in contrast to the 4-digit SIC code. The longer code accommodates the larger number of sectors and allows more flexibility in designating subsectors. It also provides for additional detail not necessarily appropriate for all three NAICS countries.