The size of the nozzle opening and the nozzle pressure determine the quantity of water flowing from the nozzle. p.950. Fire stream pattern types are defined by the specific pattern or shape of the water after it leaves the nozzle and the size of the: volume of water flowing from the nozzle per minute.
From Wikipedia, the free encyclopedia. A cryptogenic disease is a disease of which the cause is unknown. It may be used in a particular case, when the nature of the patient's condition is known but the cause has not been found (e.g. cryptogenic stroke).
Cryptogenic stroke is defined as a stroke without cause after extensive investigation. Cardioembolism accounts for 17% to 30% of all ischemic strokes, but it is estimated that up to 40% of ischemic strokes have an undetermined cause.2.