Abstract: We study the optimal age policy with imperfect preventive maintenance. The preventive maintenance is imperfect in the sense that it can cause failure of a non-failed system.

The restaurant is down the street from a high school, which has seemingly caused an uptick in fights breaking out between ...

Not only do you have to be 21 years old to get into a bar, but also to get into this McDonald’s in Fairfax County, Va. The ...

“Due to repeated incidents of student violence, this McDonald’s location is temporarily closed for dine-in service to anyone ...

A McDonald’s in Alexandria, Virginia, is banning dine-in services to customers under the age of 21. Only drive-thru and ...

A McDonald's in Alexandria, Virginia, has banned dine-in service to customers under the age of 21. Only drive-thru and mobile ...

The restaurant in Fairfax County, Virginia, has installed a doorbell for visitors to ring and alert an employee to decide if ...

While the Imagination Library of Washington was established in 2022, Cowlitz and Wahkiakum's counties has been around for ...

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FRANCONIA, Va. — A McDonald's location on Franconia Road in Fairfax County is turning heads with a bold new policy: No one ...

"Due to repeated incidents of student violence, the location is temporarily closed for dine-in service to anyone under 21 years of age ... A McDonald’s spokesperson said the policy is just ...

PALMER, Alaska (AP) — It is one of Alaska’s favorite Mother’s Day traditions, getting up close and personal with animals that have survived the ice age. All moms get a daisy and free ...