pull and push

: 39 phrases in 20 subjects

Architecture	2
Automobiles	1
Business	1
Communications	1
Demography	2
Drilling	1
Economics	1
Electric machinery	2
Electronics	1
Ethnology	1
General	2
Hydroelectric power stations	1
Marketing	1
Metallurgy	4
Rail transport	2
Securities	1
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Sports	1
Technology	12
Wrestling	1