Valves & piping

Electrical Welding

The electric power engineering handbook

Guide to high voltage direct current (HVDC) transmission

Field Effect Transistor FET

Solenoid valves basics

Process plant equipment-operation,control,and_reliability

Electrical Instruments and measurments

Solonoid valve

Safety valve engineering handbook

DC Power Supplies

Bolean Algebra and Logic Families

دوائر التحكم الالى وجيه جرجس معهد السايزيان الجزء الاول

Plc programming for industrial automation Kevin Collins

Pumps power points for presentation mopco

Compressors Ennpi Course

Gearbox Mopco Course

Pressure valves

Magnetism and Electromagnetism

Basics of electrical products siemens cources