4. to add moisture and prevent the occurrence of respiratory tract infections in the mouth.5. to reduce the strength of phlegm6. to assess the comfy's phlegm7. so relax and decrease the use of oxygen.
4. Add moisture to prevent mold, respiratory and mouth to reduce the viscosity of phlegm 5. 6. To evaluate the leeway of sputum 7. To ensure comfort, reduce the use of oxygen.
4. To add moisture to the respiratory tract and prevent the fungus in the mouth 5. To reduce the consistency of virtual metal 6. To evaluate the retention of phlegm 7 hold to relax in comfort and reduce the usage of oxygen .