Brexit offers a chance to "reshape the structure of the UK economy", but the impact of regulatory barriers could hurt carmakers and the financial sector. Awarded a UK patent, Senior’s PURe® range of energy-efficient aluminium windows and doors is the first on the UK market to benefit from an enhanced thermal barrier manufactured from expanded polyurethane foam (PUR). Traditionally used in cladding and insulation products, the innovative use of PUR as a thermal barrier in windows and doors gives the PURe ® range the potential to achieve U-values as low as 0.71W/m2 K when calculated as a commercial CEN standard window and 0.93W/m2 K when calculated as a CEN standard door. Value theory of the many contradictions and arguments, essentially derives from the different definitions of value, originated in the people for the different understanding of the concept of value, value, from the perspective of physics can put the theory of value based on the foundation of natural science, with a high degree of accuracy, objectivity and rationality, so that the value theory of widespread vagueness, subjectivity and ambiguity naturally are addressed. As social things all the movement and the change of value relation is in essence the motion and change, so the value theory is the foundation of social science theory, if the value theory is built on the basis of natural science, can greatly promote the fusion and unity of the social science and natural science, but also make the social science become subservient to the natural sciences. The difference between financial capital preservation and physical capital preservation Why?