Flywheel. Flywheel, heavy wheel attached to a rotating shaft so as to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use.

A bolt is designed on the basis of direct tensile stress with large factor of safety.

Blanking and piercing are shearing processes in which a punch and die are used to modify webs. The tooling and processes are the same between the two, only the terminology is different: in blanking the punched out piece is used and called a blank; in piercing the punched out piece is scrap

Gantt charts are commonly used in project and production timeline and resource management where project planning and a multitude of interdependent tasks to be sequenced on one timeline. Horizontal axis bars representing timelines, duration, start-end date, and the completion times of tasks that are involved.