Description: percentage availability of a component over a certain period of time; Name: Availability depending on time
Description: During a given period of time, percentage of the time during which an item was able to perform when required ; Name: Time based availability
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity