plainplain centerplain indexingplain mandrelplain rod depth gageplanplan viewplanarplanar graphplanar point of a surfaceplanceplaneplane angleplane coordinatesplane curveplane figureplane figuresplane geometryplane motionplane numberplane of rational numbersplane of reflectionplane of symmetryplane polygonplane quadrilateralplane regionplane surfaceplane trigonometryplane waveplanetplanetaryplanetary gearplanetary motionplanetary rollplanetoidplanetologyplanimeterplanimetryplanishplanishing rollplanningplanning horizonplantplant assetsplant capacityplant layoutplant locationplasma arcplastic deformationplastic foam
