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.
), though since commercially grown banana plants are sterile, the seeds are reduced to little specks. The banana plant is called a 'banana tree' in popular use, but it's technically regarded as a herbaceous plant (or 'herb'), not a tree, because the stem does not contain true woody tissue., though since commercially grown banana plants are sterile, the seeds are reduced to little specks. The banana plant is called a 'banana tree' in popular use, but it's technically regarded as a herbaceous plant (or 'herb'), not a tree, because the stem does not contain true woody tissue.