check one's self

check self

: 41 phrases in 18 subjects

Airports and air traffic control	4
Automated equipment	1
Automobiles	2
Banking	1
Chess	1
Computers	4
Education	1
General	4
Information technology	3
Makarov	1
Medical	1
Military	1
Nanotechnology	7
Nuclear and fusion power	1
Power system protection	1
Quality control and standards	1
Technology	5
Telecommunications	2