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English thesaurus
Drilling Deeper
abbr., tech.	DD (Vosoni)

Drilling: 299 phrases in 31 subjects

Agriculture	30
Chemistry	5
Coal	71
Construction	4
Drilling	17
Earth sciences	12
Economy	2
Electronics	2
Energy industry	4
Environment	15
General	6
Horticulture	1
Industry	9
Information technology	4
Life sciences	7
Materials science	1
Measuring instruments	6
Mechanic engineering	16
Medical	1
Metallurgy	4
Mining	3
Natural sciences	1
Oil / petroleum	40
Patents	2
Politics	2
Soil science	2
Technology	6
Thermal Energy	1
Transport	20
United Nations	4
Water resources	1