Other
- PM-1, American nuclear reactor.
- Preventive maintenance, a job for fault prevention during machine executes before occurring some problems.
- Palace Museum, a large art museum housed in the Forbidden City in Beijing
- Polar Medal, a medal awarded by the Sovereign of the United Kingdom
- Performance management: activities to ensure that goals are consistently being met in an effective and efficient manner.
- Photographers' Mate, a U.S. Navy enlisted rating, merged into the Mass Communication Specialist (MC) rate in 2006
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