The composition of the team is summarized as 5P, which is the target, person, location, authority and plan. There are fundamental differences between teams and groups, and groups can transition to teams. Generally according to the size of the team purpose and autonomy team can be divided into five types: problem solving teams, self-managed team, multiple functional, common goal team, positive, tacit understanding team. To complete the stylish extension, a number of the property’s existing hardwood windows have also been sympathetically replaced. Tasked with identifying a system that could match the visual appeal of the original wooden frames whilst offering improved quality, usability and security, the Dortech team took the innovative step of suggesting a change to aluminium. After reviewing alternative products on the market, Senior’s high quality PURe® aluminium windows were found to significantly outperform cheaper aluminium systems and offer the perfect solution in terms of both performance and aesthetics.