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The term polypropylene glycol or PPG is reserved for polymer of low- to medium-range molar mass when the nature of the end-group, which is usually a hydroxyl group, still matters. The term "oxide" is used for high-molar-mass polymer when end-groups no longer affect polymer properties.
PPG 2 was a document produced by the British Government to advise local planning authorities on national green belt policy and its consideration in the formation of local plans. The last version was introduced in March 2001 (original) and replaced Planning Policy Guidance (PPG) Note 2 Green belts published in January 1995.
PPG Institute of Technology(PPGIT), located at Coimbatore, Tamil Nadu, India is a private self-financing engineering institute. The college is approved by AICTE and is affiliated to the Anna University Coimbatore. The college has been established from the academic year 2008-2009.