This makes web content more usable to users in general. Flat design has been criticized for making user interfaces unintuitive and less usable. The Fox Building offers more than of usable space. Processes for converting renewable lipids into usable fuels include hydrotreating and decarboxylation. Software limitations to usable physical RAM may be present. Jacob Nielsen describes usability as the quality attribute that describes how usable the interface is. They felt the new model would be less usable as a trainer. Interior walls became thinner, which created more usable (and rentable) floor space. They hope to use similar methods to find usable mammoth DNA. ORCID is freely usable and interoperable with other ID systems. Therefore, it has been essential to develop processes for consistently obtaining sharp, usable tips. The engine is retuned for more usable midrange power. It refers to investments making land more usable by humans. Its annual supply of usable and replenshable groundwater amounts to 350 billion cubic metres. This process results in a film usable for manufacturing computer processors.