Declaring Python variables. There are two phases of creating a variable: 1  First, you need to initialize a variable by creating a container and assign it a name. 2  This is called initialization. 3  Second, you assign value to the the variable. 4  This is known as assignment.
Cylindricity-Cylindricity describes a condition of a surface of revolution in which all points of a surface are equidistant from a common axis. Symbol: . Cylindricity controls a cylindricals features element such that the total variations are minimized during manufacturing.
viscosity visÂ·cosÂ·iÂ·ty (vÄ­-skÅs'Ä­-tÄ) n. The condition or property of being viscous. The degree to which a fluid resists flow under an applied force, measured by the tangential friction force per unit area divided by the velocity gradient under conditions of streamline flow; coefficient of viscosity.