Question:

Does any one know abt a news abt a cold store which does not consume electricity?

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Does any one know abt a news abt a cold store which does not consume electricity?

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  1. It used to be very easy to obtain gas powered refrigeration units. They work on the bubble pump principle, heat being used to compress the refrigerant. There are no moving parts so they are very reliable.

    Details of operation can be found at:

    http://home.howstuffworks.com/refrigerat...

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