How is light working?

However, casual usage differs widely; in extreme cases, well-paid university-educated professionals in the United Kingdom may self-identify as working class based on family background, while many semi-skilled and skilled laborers in the United States are characterised as middle-class. It is usually contrasted with the upper class and middle class in terms of access to economic resources, education and cultural interests. Its usage as a description can be pejorative, but many people self-identify as working class and experience a sense of pride analogous to an ethnic or national identity. Working classes are mainly found in industrialised economies and in urban areas of non-industrialised economies.