the necessary

: 418 phrases in 40 subjects

Automated equipment	2
Aviation	4
Bookish / literary	1
Business	8
Business style	1
Construction	62
Contracts	1
Databases	1
Digital currencies, cryptocurrencies, blockchain	2
Diplomacy	7
Economics	3
Figurative	2
Finances	2
Formal	1
General	73
Informal	4
Information security and data protection	3
Information technology	5
Law	26
Literature	1
Makarov	63
Mathematics	15
Measuring instruments	1
Medical	2
Metrology	1
Military	4
Nautical	1
Notarial practice	2
Nuclear physics	1
Patents	6
Philosophy	1
Physics	1
Politics	6
Production	2
Programming	10
Quotes and aphorisms	84
Radiation	1
Scientific	6
Transport	1
Traumatology	1