From a classical perspective in the history of electromagnetism, the electromagnetic field can be regarded as a smooth, continuous field, propagated in a wavelike manner; whereas from the perspective of quantum field theory, the field is seen as quantized, being composed of individual particles.
A public limited company (publikt aktiebolag) is legally denoted as  AB (publ.)  in Sweden or  Abp  in Finland. A Swedish public limited company must have a minimum share capital of 500,000 Swedish kronor and its shares can be offered to the general public on the stock market.or a private limited company in Sweden (privat aktiebolag), the minimum share capital is 50,000 Swedish kronor. The main Swedish statutes regulating limited companies are The Companies Act (Aktiebolagslagen (ABL) 2005:551) and The Limited Companies Ordinance (Aktiebolagsfoerordningen aktiebolagsfÃ¶rordningen:2005). 559
What is a 'Diversified Company' A diversified company is a company that has multiple, unrelated businesses. Unrelated businesses are those who (1) require unique management expertise, (2) have different end customers and (3) produce different products or provide different services. One of the benefits of being a diversified company is that it buffers a company from dramatic fluctuations in any one industry sector.