Extensions partners are companies which provide functionality that complements SAP product capabilities. This consists of the verb together with its objects and other complements and modifiers. Thus while the villa dominates the surroundings, its severe design also complements the site. Alternative splicing expands the protein complements in eukaryotes. NFV Network Function Virtualization is a concept that complements SDN. WMI complements these other standards by providing a uniform model. There is a bonding hierarchy between the complements and its sentences. An inverted replica complements the original by filling its gaps. Positive psychology complements, without intending to replace or ignore, the traditional areas of psychology. Similarly the -dimensional orthogonal complements of these planes yield an orthogonal vector bundle . Natalie Morin from Refinery29 described them as individuals with different energies that complements each other. The adjacent "Friends Fountain" complements the Victorian architecture. One such effect that potentially complements the compensation effect is job multiplier. More specifically, a helmet complements the skull in protecting the human brain. Typically, conventional hydroelectricity complements wind power very well.