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==Science and technology== ===Computing=== * [[Pages per minute]], a measurement of printing speed * [[Perl package manager]], for software packages * Planted partition model, a special case of [[Stochastic block model]] * Portable pixmap format, a [[Netpbm format]] * [[Prediction by partial matching]], a data compression technique ===Medicine=== * [[Artificial cardiac pacemaker|Permanent pacemaker]] * [[Persistent pupillary membrane]], an eye condition * [[Physician practice management]] ===Other uses in science and technology=== * [[Parts-per-million]] * [[Peak programme meter]], measuring audio level * [[Planned Preventative Maintenance]] of equipment * [[PPM Star Catalogue]] * [[Proton precession magnetometer]], measures small magnetic field variations * [[Pulse-position modulation]] of a signal
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