a valve closes with the pressure
81Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
82Programmable logic controller — A programmable logic controller (PLC) or programmable controller is a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. PLCs are used in many different industries and machines… …
83Diver rescue — Beaching a casualty while providing artificial respiration Diver rescue, following an accident, is the process of avoiding or limiting further exposure to diving hazards and bringing a SCUBA diver to safety.[1] A safe place is often a place where …
84List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
85Irrigation — For its use in viticulture, see Irrigation in viticulture. For its use in medicine, see Therapeutic irrigation. LEPA redirects here. For the airport serving Palma de Mallorca, Spain, assigned the ICAO code LEPA, see Palma de Mallorca Airport.… …
86Miller cycle — Thermodynamics …
87Pumpjack — Nodding donkey redirects here. For the British Rail train, see Pacer (train). Pump jack redirects here. For the Scaffold, see Pump jack. A diagram of a pumpjack. A pumpjack (nodding donkey, pumping unit, horsehead pump, beam pump, sucker rod pump …
88Volvo FH — Infobox Automobile name = Volvo FH series manufacturer = Volvo Trucks Corporation parent company = Volvo AB aka = production = 1993 present assembly = Gothenburg (Sweden), Ghent (Belgium), Brisbane ( Australia), Durban (South Africa),… …
89Bicycle suspension — refers to the system or systems used to suspend the rider and all or part of the bicycle in order to protect them from the roughness of the terrain over which they travel. Bicycle suspension are used primarily on mountain bicycles, but are also… …
90HIPPS — High Integrity Pressure Protection System (HIPPS) is a type of Safety Instrumented System (SIS) designed to prevent over pressurisation of a plant. The HIPPS will shut off the source of the high pressure before the design pressure of the system… …
