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.
Signs and symptoms of otitis externa include: 1  ear pain that usually worsens if the ear is touched or pulled. 2  red, swollen outer ear canal. 3  green or yellow pus draining from the ear. 4  mild loss of hearing.