Will Closed Ecological Systems Save the Planet?
In a closed ecological system, the maintenance of life happens through complete re-use of available material by means of cycles. Exhaled carbon dioxide and other waste matter is renewed chemically or by photosynthesis into oxygen, water and food.
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Featured Product
Rolls Battery - Maintenance-Free AGM & GEL Batteries
With a full range of capacity options (85AH-3300AH) and voltage configurations to choose from, Rolls Battery maintenance-free 2V, 6V & 12V AGM and broad range of 2V GEL models offer a valve regulated lead acid (VRLA) battery option with the same dependable energy storage and heavy-duty construction customers have grown to expect from the Rolls brand for over sixty years. Installed in off-grid, grid-tied or backup float applications, these sealed batteries require minimal ongoing maintenance and provide a versatile energy storage solution for remote or confined installations. Rolls Battery AGM and GEL battery lines deliver superior cycle life and are backed by an industry-leading warranty.
