Correct all grammatical issues in the given sentence.
The risk of explosion is lowered because no hydrogen is produced but it still need to be cautioned as we are using sodium as a coolant and sodium not only explodes if it's in contact with water but also burns if it touches air.
The risk of explosion is lowered because no hydrogen is produced, but we still need to be cautious as we are using sodium as a coolant, and sodium not only explodes if it is in contact with water but also burns if it touches air.