b'Heads of stateUse For: Group slander; Speech, Hate Hazardous substancesTransportationBroader Term(s): Libel and slander Geographic Note: May subdivide geographicallyDewey: 363.17; 604.7Hatha yoga Broader Term(s): TransportationDewey: 613.7 Hazardous waste disposalUse For: Yoga exercises; Yoga, Hatha Use: Hazardous wastesBroader Term(s): ExerciseYoga Hazardous waste sitesHats Geographic Note: May subdivide geographicallyGeographic Note: May subdivide geographically Dewey: 363.72; 628.4Dewey: 391.4; 646.5; 687 Use For: Chemical landfills; Dumps, Toxic;Use For: Millinery Toxic dumpsBroader Term(s): Clothing and dress Broader Term(s): LandfillsCostume Narrower Term(s):Love Canal Chemical WasteLandfill (Niagara Falls, N.Y.)Haunted houses Hazardous wastesGeographic Note: May subdivide geographically Geographic Note: May subdivide geographicallyDewey: 133.1 Dewey: 363.72Broader Term(s): Houses Use For: Hazardous waste disposal; ToxicRelated Term(s): Ghosts wastes; Wastes, HazardousHawking Broader Term(s): Hazardous substancesUse: Falconry Industrial wasteRefuse and refuse disposalHay Related Term(s): Medical wastesDewey: 633.2 PollutionSee Also: types of hay crops, e.g. Alfalfa [tobe added as needed] HDTV (Television)Broader Term(s): Farm produce Use: High definition televisionForage plants HeadRelated Term(s): Feeds Dewey: 611; 612Grasses Broader Term(s): AnatomyHay fever Narrower Term(s):BrainDewey: 616.2 EarBroader Term(s): Allergy EyeFaceHazardous materials HairUse: Hazardous substances MouthHazardous occupations NoseDewey: 331.702 PhrenologyUse For: Dangerous occupations TeethBroader Term(s): Occupations Head painRelated Term(s): Industrial accidents Use: HeadacheOccupational diseasesOccupational health and safety HeadacheDewey: 616.8Hazardous substances Use For: Head painGeographic Note: May subdivide geographically Broader Term(s): PainDewey: 363.17; 604.7 Narrower Term(s):MigraineUse For: Dangerous materials; Hazardousmaterials; Inflammable substances; Heads of stateToxic substances Geographic Note: May subdivide geographicallyBroader Term(s): Materials Dewey: 352.23; 920Narrower Term(s):Hazardous wastes Use For: Rulers; State, Heads ofPoisons and poisoning See Also: names of individual heads of state[to be added as needed]Broader Term(s): Executive power463'