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[11] [12] Another use of PPG is as a surfactant, wetting agent and dispersant in leather finishing. [13] PPG is also employed as a reference and calibrant in mass spectrometry and HPLC. [14] [15] PPG and derivatives may be used as defoamers in drilling and other applications. [16] [17] It is also used as a primary ingredient in the making of ...
Powered paragliding, also known as paramotoring or PPG, is a form of ultralight aviation where the pilot wears a back-pack motor (a paramotor) which provides enough thrust to take off using a paraglider. It can be launched in still air, and on level ground, by the pilot alone—no assistance is required.
PPG soon became the United States' first commercially successful producer of high-quality, thick flat glass using the plate process. PPG was also the world's first plate glass plant to power its furnaces with locally produced natural gas, an innovation which rapidly stimulated widespread industrial use of the cleaner-burning fuel. [3]
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.