1) operation special car Propagating the value proposition of the public chain to new participants - redefining "profit" to cover economic and social value. Are you thinking of starting your own business, but concerned with the price? A smart move that could save entrepreneurs money with all the latest technology is working virtually-from the comfort of your home. When you think of starting your personal home based business, the first thing that arrive at your head will probably be time savings and funds while spending plenty of sparetime with the fam as well as the flexibility of developing your personal schedule. Cylinder work volume refers to the volume of gas swept by the piston from the top to the bottom, also known as single cylinder displacement, depending on the cylinder diameter and the piston stroke. Engine displacement is the total volume of working volume of each cylinder, usually expressed in milliliter (CC). Engine displacement is one of the most important structural parameters. It is more representative of engine size than cylinder diameter and cylinder number, and many indicators of engine are closely related to displacement.