parallel parkingparallel pipeparallel projectionparallel systemparallelepipedparallelogram lawparallelogram of forceparallelogram of velocityparallelogram operation of pumpsparametric hydrologyparapetparcels of landparent rockparkparkingparking accumulationparking angleparking areaparking area layoutparking arrangementparking bayparking characteristicsparking courtparking deficiencyparking demandparking dimensionparking durationparking facilitiesparking feeparking garageparking inventoryparking layoutparking locationparking lotparking lot arrangementparking lot layoutparking meterparking needparking occupancyparking placeparking planningparking prohibited areaparking prohibitionparking regulationsparking signparking spaceparking space markingparking space occupancyparking spotparking stall