What you will learn from this Building Automation Systems article: 1  the efficiency and conveniences Building Automation Systems add to a building.  how Building Automation enhances energy savings and troubleshooting problems.
In most cases, the symptoms of a middle ear infection (otitis media) develop quickly and resolve in a few days. This is known as acute otitis media. The main symptoms include: earache. a high temperature (fever) being sick. a lack of energy. slight hearing loss â if the middle ear becomes filled with fluid, hearing loss may be a sign of glue ear, also known as otitis media with effusion.
1 Otitis media, an ear infection of the middle ear, occurs when the mucosa (the lining of the upper respiratory tract that secretes mucus) swells because of a cold, respiratory infection, or allergy, and the Eustachian tube (3) gets blocked.