411 REFERENCE · Wiktionary
GGBFS
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
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en w:ground granulated blast-furnace slag.
en GGBS
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.