6.The fresh-keeping areca catechu can hold back its beneficial composition and chew characteristics, and can avoiddamage of smoking areca catechu to mouth.
8.Conclusion Endoscope provides a direct and clear view of the surgical area that allows the surgeons to remove adenoids accurately and avoiddamage of normal nasopharynx structures.
9.Check aerator frequently for operation. If there is any abnormal sound or vibration, shut down the aerator immediately, make examination and handle problems, in order to avoiddamage.