exponential functionexposeexposedexposed aggregateexposed aggregate concreteexposed aggregate finishexposed concreteexposureexposure conditionsexposure rateexpressexpress busexpress highwayexpressionextensibility factorextensibility of concreteextensionextension jointextension periodextensometerexterior orientationexterior panelexterior plywoodexternalexternal cordonexternal distanceexternal external tripexternal forceexternal geometric instabilityexternal hydraulic pressureexternal internal tripexternal loadexternal shell wallexternal skinexternal tripexternal vibratorexternal workexternally bracedexternally indeterminateextra rapid hardening cementextra waterextractionextraction of bitumenextradosextraordinary floodextrapolationextreme compression fiberextreme tension fiberextreme valueextremes