Companies spend millions on "server consolidation" in hopes of reducing maintenance, administration, and even heat burdens.

很多公司已经在“服务器合并”上花了数百万，希望借此降低维护、管理甚至是散热负担。

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Shelter (mortgage, rent, hydro, heat, taxes, maintenance)

住房费用（贷款利息，租金，水费，暖气热，税费，维护费）

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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: operation, maintenance, repair and recovery.

制冷设备和热泵。安全和环境要求。第4部分：操作、维护、修理和恢复。

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The other 144 is utterly essential to keep lights on when unexpected demand arises from heat waves, outages or maintenance downtime.

FORBES: Brownout