Large Area Listening Systems. Large area listening systems are the most popular of all hearing enhancement devices, and are used in theaters, movie houses, auditoriums and houses of worship. There are three basic types: FM radio, infra-red (IR) light and a looped wire around the room, called an induction loop.
The strings are called Phloem Bundles (pronounced flom). They are part of the system that carries nutrition to all parts of the banana.
How Many Carbs in a Banana + Type of Carbohydrates in a Banana. A part of the Musaceae family, the banana plant grows 10 to 26 feet tall. Bananas grow in clusters from 50 to 150 bananas per giant cluster. Then, each cluster contains smaller groups called bunches.