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1. Stress -- 2. Strain -- 3. Mechanical properties of materials -- 4. Axial load -- 5. Torsion -- 6

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and Mobile Devices -- 4. Software and Mobile Applications -- 5. Database Systems and Big Data -- 6

management process : Project initiation and definition : 5. Project planning: part 1 : 6. Project planning

. Application of ubuntu -- 5. Ubuntu: an African equity? -- 6. Imbizo -- 7. Indaba -- 8. Conclusion.

-Invariant System -- 2.2.3.Causal System -- 2.2.4.Stable System -- 2.2.5.Memory and Memoryless System -- 2.2.6

quantitative approach -- 6. National innovation systems and economic development -- 7. National innovation

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