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.
Definition. Fabricated by synthesis and not produced naturally or organically. Examples of synthetic materials include certain fabrics, building supplies, and oils.The suede covering the sofa was synthetic and that's why the store was able to sell it at such a reasonable price ..abricated by synthesis and not produced naturally or organically. Examples of synthetic materials include certain fabrics, building supplies, and oils.