Defects can be fixed using another Centennial product, Centennial 2000 Pro Enterprise edition.

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First, they must carry a pro rata profit actually earned by the fund, instead of a fixed return being tied up with their face value.

FORBES: Islamic Funds - Sharia Law and Investment Structures

Among other things this means that the PRO 48 doesn't have a restaurant fridge's heavy, fixed shelves or insatiable craving for energy--the company claims that it consumes less electricity in a year than a 100-watt lightbulb.

FORBES: The Sub-Zero PRO 48 puts the cool in cold storage.