QUESTION: Fix punctuation: Here will be told about some of them as they were told me by some of them who participated and which should have been some of the worst
ANS: Here will be told about some of them, as they were told me by some of them who participated and which should have been some of the worst.

QUESTION: Fix punctuation: outdoor jeans old man natural
ANS: outdoor, jeans, old man, natural

QUESTION: Fix punctuation: Latest visit 3 December 2011 2313
ANS: Latest visit 3 December 2011 23:13

QUESTION: Fix punctuation: Raw materials are first mixed and grinded then heated in the extrusion process and then cooled downAlthough this process does not involve any environmentally harmful substances it does require use of energy and some raw materials like fish meal and fish oil are smelly substances
ANS:
Raw materials are first mixed and grinded, then heated in the extrusion process and then cooled down.Although this process does not involve any environmentally harmful substances it does require use of energy, and some raw materials like fish meal and fish oil are smelly substances.