1. I'm debating between... [option A and option B] 2. I can't make up my mind. 3. I'm on the fence. (= I'm in the middle, I don't know what to decide) 4. I'll take that into consideration. 5. On the other hand... 6. I'm having second thoughts. (= I'm reconsidering my decision) 7. I changed my mind. 8. He convinced/persuaded me to... 9. Looking back, I know it was the right decision. 10. It's up to you. (= You can decide)
The use of an electrically powered oxygen concentratorcite_ref 10cite_ref 10 or a chemical reaction based unit can create sufficient oxygen for a patient to use immediately, and these units (especially the electrically powered versions) are in widespread usage for home oxygen therapy and portable personal oxygen, with the advantage of being continuous supply without the need for additional deliveries of bulky cylinders.