As water pressure changes, the volume of air in a bladder. pressure tank contracts and expands. Periodically, the amount. of air in the tank should be measured and the tank recharged if. the air is too low. Bladder pressure tanks do not provide any. useful water storage capacity.
Add Image. Exotic Materials are the strange and unusual elements produced by science, nature, or some strange alien force. Such materials could be alloys, isotopes, chemicals, and such.
Specifically, Exotic refers to a species which is not native or indigenous to the owner's locale; and pet is a companion animal living with people.However, many misuse the term to include native species as well.n exotic pet is a rare or unusual animal pet, or an animal kept within human households which is generally thought of as a wild species not typically kept as a pet. 1  1 Definition.