Subject
Engineering
Design and construction
19
Data processing
18
Management
12
Electric machinery
9
Petroleum
9
Statics
9
Strength of materials
9
Computer-aided design
8
Electric power systems
8
Petroleum engineering
8
Building
7
Electric circuit analysis
7
Engineering instruments
7
Equipment and supplies
7
Fluid dynamics
7
Maintenance and repair
7
Materials
7
Measurement
7
Offshore structures
7
Thermodynamics
7
Automatic control
6
Electric circuits
6
Electric engineering
6
Mathematic
6
Natural gas
6
Building materials
5
Construction industry
5
Handbooks, manuals, etc
5
Mechanical drawing
5
Mechanics, Applied
5
Oil reservoir engineering
5
Pipelines
5
Piping
5
Power electronics
5
Chemical plants
4
Computer graphics
4
Control theory
4
Dictionaries
4
Electric motors
4
Electrical engineering
4
Electronics
4
Engineering mathematics
4
Problems, exercises, etc
4
Process control
4
Programmable controllers
4
Refining
4
Science
4
Structural analysis
4
Technology
4
more ...