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English thesaurus
Doubles Detector
abbr., post	DD (on AFCS-DD, 2004)

Doubles: 179 phrases in 19 subjects

Agriculture	30
Botany	1
Building materials	1
Building structures	1
Construction	114
Economy	1
Electrical engineering	1
Electronics	1
Forestry	5
Horticulture	2
Law	1
Loading equipment	8
Mathematics	1
Microsoft	5
Ornithology	1
Road works	1
Technology	1
Transport	2
Zootechnics	2