Even though the Sava River bridge is in operation, it requires constant maintenance and reinforcement.

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The cathedral now requires constant maintenance.

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Before, students had to make one of two choices: to practice constant vigilance and maintenance of their public profiles online or risk exposing their sharing, web-surfing habits and communication with friends to their professors, employers and parents.

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Goldmacher figures maintenance has grown organically, in constant currency, at a two year compound annual growth rate of 10%.

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Maintenance for the unusually constructed home is constant, and can be a chore.

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