Question: No force impact on the material therefore no mechanical stress of the material
Please fix the punctuation.
Fixed: [No force impact on the material therefore no mechanical stress of the material]

Question: Also school lunches mean a lot for childrens education in developing countries
Please fix the punctuation.
Fixed: [Also school lunches mean a lot for children's education in developing countries.]

Question: We left for Dakar believe we can do great things but unfortunately Spike got hurt after a few stages and I had to retire due to a technical problem the clutch a defect never encountered previously in tests
Please fix the punctuation.
Fixed: [We left for Dakar believe we can do great things, but unfortunately Spike got hurt after a few stages and I had to retire due to a technical problem the clutch, a defect never encountered previously in tests.]

Question: setxexe blue screen slow PC program and system crashing Fix
Please fix the punctuation.
Fixed:
[setx.exe blue screen, slow PC, program and system crashing Fix]