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.
Bananas don't cause stomach aches in everyone. If you experience a sore stomach after eating a banana, the chances are you have an allergy, a digestive disorder or an infection. It may simply be that you're sensitive to bananas.If eating bananas causes you great discomfort, speak to your doctor.roteins in the banana have similar properties to ragweed pollen, according to MayoClinic.com. This can cause wheezing problems or a sore stomach if you have such an allergy.