- PPPV
- abbr.EWS LHCS VARIOUS EWS TPO VEHICLES FOR PRESERVATION [railway pool code]
Dictionary of abbreviations. 2012.
PPPV
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Productivity model — Productivity in economics is the ratio of what is produced to what is required to produce. Productivity is the measure on production efficiency. Productivity model is a measurement method which is used in practice for measuring productivity.… … Wikipedia
