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44161892-2345
Hand Pump For Decon Decks
a group of products which fulfill a similar need for a market segment or market as a whole.
A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta's original pile) electrochemical cells.
a particular group of related products.