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What Is Hardening? | Coursera
Hardening Definition & Meaning - Merriam-Webster
Hardening (computing) - Wikipedia
HARDENING Synonyms: 100 Similar and Opposite Words - Merriam-Webster
HARDENING | English meaning - Cambridge Dictionary
hardening noun - Definition, pictures, pronunciation and usage …
What is Hardening? - Definition from Techopedia
HARDENING | definition in the Cambridge English Dictionary
Hardening (metallurgy) - Wikipedia
HARDENING Definition & Meaning | Dictionary.com