Question: If your regulator or your gas hose is more than 10 years old it must be replaced with a new one
Please fix the punctuation.
Fixed: [If your regulator or your gas hose is more than 10 years old, it must be replaced with a new one.]

Question: For any organization to be successful all of the activities covered by these division names must be performed
Please fix the punctuation.
Fixed: [For any organization to be successful, all of the activities covered by these division names must be performed.]

Question: If ovulation is normal there are other fertility tests available
Please fix the punctuation.
Fixed: [If ovulation is normal, there are other fertility tests available.]

Question: The antagonism between the first and second force is not profound it is temporary the result solely of the present conjuncture of circumstances of the abrupt turn of events in the imperialist war
Please fix the punctuation.
Fixed:
[The antagonism between the first and second force is not profound, it is temporary, the result solely of the present conjuncture of circumstances, of the abrupt turn of events in the imperialist war.]