List atleast 3 absolute indications for oropharengeal airway

1. Patients with a decreased level of consciousness who are unable to maintain their own airway, such as those with a head injury or substance overdose.

2. Patients undergoing general anesthesia or conscious sedation who are at risk of airway obstruction.
3. Patients with facial trauma or burns who may have a compromised airway due to swelling or injury.