system checking

: 39 phrases in 17 subjects

Apollo-Soyuz	1
Automated equipment	6
Construction	1
Ecology	1
General	1
Information technology	2
Mass media	1
Mechanics	1
Microsoft	2
Oil / petroleum	1
Programming	2
Quality control and standards	1
Radioengineering	1
Rail transport	1
Security systems	2
Technology	4
Transport	11