Hypertension Optimal Treatment
High Occupancy Toll
Heal over Time
High Oil Temperature
hyperbaric oxygen therapy
Hall Of Testing
Hand Over Transmitter
Hands On Technology
Hawaii ocean time
Hawaii Ocean Timeseries
Hawaiian Ocean Time
Healing Over Time
Health Outcomes Technologies
health-oriented telecommunication
Health-Oriented Telecommunications
High Oil Temp
highly optimized tolerance
Historical Origins Team
Hobart Old Time String Band
Hochu-ekki-to
Hold Off Timer
Hold on to
Holdover Time
Holographic One-Tube
Home Office Technology
Home Office Telecommunication
Home Office Telephony
Home Order Television
home oxygen therapy
Hormones Opposed by Tamoxifen