Question: Molybdenum prevents corrosion in stainless steels and when mixed with iron the Molybdenum also strengthens and hardens into austenite
Please fix the punctuation.
Fixed: [Molybdenum prevents corrosion in stainless steels, and when mixed with iron, the Molybdenum also strengthens and hardens into austenite.]

Question: 4 Pluck me out of the net that they have laid secretly for mefor you are my stronghold
Please fix the punctuation.
Fixed: [4 Pluck me out of the net that they have laid secretly for me,for you are my stronghold.]

Question: Viniyoga has proven effective in some cases of chronic back pains in the lower part of the back
Please fix the punctuation.
Fixed: [Viniyoga has proven effective in some cases of chronic back pains in the lower part of the back.]

Question: Instructions Press UP arrow key to jump
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Fixed:
[Instructions: Press UP arrow key to jump.]