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Umer Warraich

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Surface stresses..............................
Lec03
Lec2+lec3
Hydraulic actuator 2003
Hydraulic fluids(03336275386)
Hydrauilc systems
Soldering 2
Brazing
Lecture 11
Lecture 10 copy
Tig welding
Lecture 9
Lecture 9
Lecture 8