Guernsey Airlines Ltd. (SAUO)
Half Wave
Half Width (SAUS)
Half Word (CET)
Hammer Welding (SAUS)
Handset, Wall (SAUS)
Handset, Wall Model (TEL)
Handwritten (BJA)
Hanford Works (SAUO)
Hardware - Computer science (NASA)
Hard Water (SAUS)
Hard Wired (NITA)
Hardwired (SAUS)
Hardwood
Hardy-Weinberg Equilibrium - of genes - Also, HWE
Hauptwachtmeister - First Sergeant - German military - World War II
Hauptwerk - Masterpiece - German
Havasu Airlines - ICAO designator (AD)
Hawkinson - Tire retread brand
Hayem-Widal - Syndrome - Medicine (DB)
Hayrem-Widal - Syndrome (STED)
Hazardous Waste (GFGA)
Headwaiter
Head Wardmaster - Navy - British (ROG)
Head Wave (SAUS)
Headway - Automotive engineering
Head Width
Head Wind - Navigation
Headwind (SAUS)
Healing Well (DMAA)
Hearing Waived - Motor vehicle violation code used in state of Maryland (MVRD)
Heart Weight (STED)
Heavy Wall
Heavy Water
Heavy Weapons - British military (DMA)
Heavy Weight (SAUS)
Helsinki Watch (SAUS)
Hemisphere Width (STED)
Heparin Well - Pharmacology (DAVI)
Herewith - Enclosures - Navy
Herpetic Whitlow - Medicine (MELL)
Hertwig-Weyers - Syndrome - Medicine (DB)
Hertzian Wave (SAUS)
Hethitisches Woerterbuch - Heidelberg - A publication (BJA)
High Water - Tides and currents
High Wing - Aviation (AIA)
Hispanic Writers - A publication
Historical Wyoming - A publication (SAUS)
His-Werner - Disease - Medicine (DB)
Hit Wicket
Hochwasser - Flood (GIS)
Hollow (SAUS)
Homework (SAUS)
Homing Weapons (NVT)
Hookworm (MELL)
Hot Water
Hotwell - Nuclear energy (NRCH)
Hot Wheels - Mattel
Hot Wire (KSC)
Housewife
How (WGA)
Howard Aero Manufacturing - ICAO aircraft manufacturer identifier (ICAO)
Howler - Communications; electronics
Howmet Corp. (SAUO)
Hunter-Wheel
North-Wright Air Ltd. - ICAO designator (AD)
Hardware (ELAL)
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