profitable stock trading strategies In 2017, the flash capacity of each server will be 2.5 terabytes, which will reach 8TB by 2021, and the average DRAM capacity of every server in 2017 will be 145GB, which will grow to 350GB by 2021. (2) actual income -- the increase of material wealth; 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. High compression ratio if choose low grades of gasoline engine, can make the cylinder temperature rises, the incomplete combustion of gasoline, strong vibration machine, so that the output power down, damage to the parts, fuel consumption and driving. If lower compression ratio engine with high grade oil, can appear "delay" phenomenon, namely the compression ratio is less than the highest point of spontaneous combustion, as will appear incomplete combustion phenomenon, the engine is no good.