non profit boards Planning is not only the premise and criterion of organization, command and coordination, but also closely related to the management and control activities. The plan sets the data, scales and standards for various complex management activities, which not only provide direction for control, but also provide a basis for controlling activities. Experience tells us that unplanned activities are uncontrollable and uncontrollable. Because the control itself is to correct the deviation of the deviation plan, to keep the management activities consistent with the objectives. In 1934, professor rei, of the center for fluid mechanics, used model cars to measure the aerodynamic drag of various bodies in wind tunnels But let's remember that the increased participants were basically in the interest of the economy and were attracted to new tokens that they felt were promising. The difference between financial capital preservation and physical capital preservation Larger suppliers can borrow cheaply from the government's regular contributions, which means they have little incentive to raise savings rates to attract customers' deposits and then lend. It looks like a big box and has doors and Windows, which people call "box cars". It is named "sedan" in the catalog because it looks like the "sedan chair" of the European ladies used for travel and other occasions. The manufacturing capacity of the UK car is ranked by the top, which can be seen from the manufacturing scope of the product and the scale of the industry involved. The British automobile manufacturing scope covers include cars, commercial vehicles, buses, bus in various fields, such as mass production can be conducted at present, the UK has seven car manufacturers, eight commercial vehicle manufacturers, 11 bus passenger car manufacturers, more than 10 large premium cars and sports car manufacturers. According to the British association of automobile manufacturers and dealers, in 2013, Britain has 1.6 million cars, rolled off the production line is equivalent to have a new car every 20 seconds, 77% of products exported to all over the world. The level of car manufacturing in the UK is also attracting top manufacturers from around the world.