heavyweight aggregateheavyweight concreteheelheel of a damheightheight breadth ratioheight of buildingheight of capillary riseheight of eyeheight of fillheight of hydraulic jumpheight of surgehelicalhelical augerhelical bindinghelical conveyorhelical flowhelical ramphelical stairhelicoidalhelicoidal pumpheliportheliport layouthelistop landing areahelixhelix augerhelmethematitehemihydratehemihydrate gypsumhempherbherringboneherringbone struttinghessianheterogeneousheterogeneousnessheuristic processhewer stonehickory woodhigh alloy steelhigh alumina brickhigh alumina cementhigh alumina cement concretehigh beamhigh bond barhigh carbon steelhigh damhigh density areahigh density concrete