If you are lucky, the REIT you are interested in will make a careful distinction between maintenance-type cap ex and the other kind--purchasing new properties.

FORBES: Shaky Dividends

For most, but not all, maintenance of a normal weight and a good diet will prevent development of type 2 diabetes.

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The FAA issues ADs when it discovers a potentially unsafe condition on a type of aircraft, and it wants airlines to inspect their fleets or conduct preventive maintenance.

CNN: US Airways, United face FAA fines for safety violations