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HUM definition in American English | Collins English Dictionary
HUMS Technology - Avionics International
Hums Definition & Meaning - Merriam-Webster
Health and usage monitoring systems - Wikipedia
HUMS Synonyms: 59 Similar and Opposite Words - Merriam-Webster
hum verb - Definition, pictures, pronunciation and usage notes
HUMS Definition & Meaning | Dictionary.com
HUM | definition in the Cambridge English Dictionary
HUM Definition & Meaning | Dictionary.com
Humanitarian - MyNavyHR