bp profits by year 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. “Agency workers deserve to be paid the same as employees if they’re doing the same job, so the government should look to close the loophole that allows agency workers to sign away their right to equal pay. It eventually admitted that the app had broken down, but that it had been selling at 17 pounds at the station. However, when I got the reply, I had already paid the extra fee before the early discount ended.